20211256080

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1364

約数の個数: 400

約数和(自身を含む): 74485857600

約数和(自身を除く): 54274601520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 139, 144, 152, 162, 171, 180, 190, 216, 228, 240, 270, 278, 285, 304, 324, 342, 360, 380, 405, 417, 432, 456, 513, 540, 556, 570, 648, 684, 695, 720, 760, 810, 834, 855, 912, 1026, 1080, 1112, 1140, 1181, 1251, 1296, 1368, 1390, 1520, 1539, 1620, 1668, 1710, 2052, 2085, 2160, 2224, 2280, 2362, 2502, 2565, 2641, 2736, 2780, 3078, 3240, 3336, 3420, 3543, 3753, 4104, 4170, 4560, 4724, 5004, 5130, 5282, 5560, 5905, 6156, 6255, 6480, 6672, 6840, 7086, 7506, 7695, 7923, 8208, 8340, 9448, 10008, 10260, 10564, 10629, 11120, 11259, 11810, 12312, 12510, 13205, 13680, 14172, 15012, 15390, 15846, 16680, 17715, 18765, 18896, 20016, 20520, 21128, 21258, 22439, 22518, 23620, 23769, 24624, 25020, 26410, 28344, 30024, 30780, 31692, 31887, 33360, 35430, 37530, 39615, 41040, 42256, 42516, 44878, 45036, 47240, 47538, 50040, 52820, 53145, 56295, 56688, 60048, 61560, 63384, 63774, 67317, 70860, 71307, 75060, 79230, 85032, 89756, 90072, 94480, 95076, 95661, 100080, 105640, 106290, 112195, 112590, 118845, 123120, 126768, 127548, 134634, 141720, 142614, 150120, 158460, 159435, 164159, 170064, 179512, 180144, 190152, 191322, 201951, 211280, 212580, 213921, 224390, 225180, 237690, 255096, 269268, 283440, 285228, 300240, 316920, 318870, 328318, 336585, 356535, 359024, 380304, 382644, 403902, 425160, 427842, 448780, 450360, 475380, 478305, 492477, 510192, 538536, 570456, 605853, 633840, 637740, 656636, 673170, 713070, 765288, 807804, 820795, 850320, 855684, 897560, 900720, 950760, 956610, 984954, 1009755, 1069605, 1077072, 1140912, 1211706, 1275480, 1313272, 1346340, 1426140, 1477431, 1530576, 1615608, 1641590, 1711368, 1795120, 1817559, 1901520, 1913220, 1969908, 2019510, 2139210, 2423412, 2462385, 2550960, 2626544, 2692680, 2852280, 2954862, 3029265, 3119021, 3231216, 3283180, 3422736, 3635118, 3826440, 3939816, 4039020, 4278420, 4432293, 4846824, 4924770, 5385360, 5704560, 5909724, 6058530, 6238042, 6566360, 7270236, 7387155, 7652880, 7879632, 8078040, 8556840, 8864586, 9087795, 9357063, 9693648, 9849540, 11819448, 12117060, 12476084, 13132720, 13296879, 14540472, 14774310, 15595105, 16156080, 17113680, 17729172, 18175590, 18714126, 19699080, 22161465, 23638896, 24234120, 24952168, 26593758, 28071189, 29080944, 29548620, 31190210, 35458344, 36351180, 37428252, 39398160, 44322930, 46785315, 48468240, 49904336, 53187516, 56142378, 59097240, 62380420, 66484395, 70916688, 72702360, 74856504, 84213567, 88645860, 93570630, 106375032, 112284756, 118194480, 124760840, 132968790, 140355945, 145404720, 149713008, 168427134, 177291720, 187141260, 212750064, 224569512, 249521680, 252640701, 265937580, 280711890, 336854268, 354583440, 374282520, 421067835, 449139024, 505281402, 531875160, 561423780, 673708536, 748565040, 842135670, 1010562804, 1063750320, 1122847560, 1263203505, 1347417072, 1684271340, 2021125608, 2245695120, 2526407010, 3368542680, 4042251216, 5052814020, 6737085360, 10105628040, 20211256080]

約数ペア:

[(1, 20211256080), (2, 10105628040), (3, 6737085360), (4, 5052814020), (5, 4042251216), (6, 3368542680), (8, 2526407010), (9, 2245695120), (10, 2021125608), (12, 1684271340), (15, 1347417072), (16, 1263203505), (18, 1122847560), (19, 1063750320), (20, 1010562804), (24, 842135670), (27, 748565040), (30, 673708536), (36, 561423780), (38, 531875160), (40, 505281402), (45, 449139024), (48, 421067835), (54, 374282520), (57, 354583440), (60, 336854268), (72, 280711890), (76, 265937580), (80, 252640701), (81, 249521680), (90, 224569512), (95, 212750064), (108, 187141260), (114, 177291720), (120, 168427134), (135, 149713008), (139, 145404720), (144, 140355945), (152, 132968790), (162, 124760840), (171, 118194480), (180, 112284756), (190, 106375032), (216, 93570630), (228, 88645860), (240, 84213567), (270, 74856504), (278, 72702360), (285, 70916688), (304, 66484395), (324, 62380420), (342, 59097240), (360, 56142378), (380, 53187516), (405, 49904336), (417, 48468240), (432, 46785315), (456, 44322930), (513, 39398160), (540, 37428252), (556, 36351180), (570, 35458344), (648, 31190210), (684, 29548620), (695, 29080944), (720, 28071189), (760, 26593758), (810, 24952168), (834, 24234120), (855, 23638896), (912, 22161465), (1026, 19699080), (1080, 18714126), (1112, 18175590), (1140, 17729172), (1181, 17113680), (1251, 16156080), (1296, 15595105), (1368, 14774310), (1390, 14540472), (1520, 13296879), (1539, 13132720), (1620, 12476084), (1668, 12117060), (1710, 11819448), (2052, 9849540), (2085, 9693648), (2160, 9357063), (2224, 9087795), (2280, 8864586), (2362, 8556840), (2502, 8078040), (2565, 7879632), (2641, 7652880), (2736, 7387155), (2780, 7270236), (3078, 6566360), (3240, 6238042), (3336, 6058530), (3420, 5909724), (3543, 5704560), (3753, 5385360), (4104, 4924770), (4170, 4846824), (4560, 4432293), (4724, 4278420), (5004, 4039020), (5130, 3939816), (5282, 3826440), (5560, 3635118), (5905, 3422736), (6156, 3283180), (6255, 3231216), (6480, 3119021), (6672, 3029265), (6840, 2954862), (7086, 2852280), (7506, 2692680), (7695, 2626544), (7923, 2550960), (8208, 2462385), (8340, 2423412), (9448, 2139210), (10008, 2019510), (10260, 1969908), (10564, 1913220), (10629, 1901520), (11120, 1817559), (11259, 1795120), (11810, 1711368), (12312, 1641590), (12510, 1615608), (13205, 1530576), (13680, 1477431), (14172, 1426140), (15012, 1346340), (15390, 1313272), (15846, 1275480), (16680, 1211706), (17715, 1140912), (18765, 1077072), (18896, 1069605), (20016, 1009755), (20520, 984954), (21128, 956610), (21258, 950760), (22439, 900720), (22518, 897560), (23620, 855684), (23769, 850320), (24624, 820795), (25020, 807804), (26410, 765288), (28344, 713070), (30024, 673170), (30780, 656636), (31692, 637740), (31887, 633840), (33360, 605853), (35430, 570456), (37530, 538536), (39615, 510192), (41040, 492477), (42256, 478305), (42516, 475380), (44878, 450360), (45036, 448780), (47240, 427842), (47538, 425160), (50040, 403902), (52820, 382644), (53145, 380304), (56295, 359024), (56688, 356535), (60048, 336585), (61560, 328318), (63384, 318870), (63774, 316920), (67317, 300240), (70860, 285228), (71307, 283440), (75060, 269268), (79230, 255096), (85032, 237690), (89756, 225180), (90072, 224390), (94480, 213921), (95076, 212580), (95661, 211280), (100080, 201951), (105640, 191322), (106290, 190152), (112195, 180144), (112590, 179512), (118845, 170064), (123120, 164159), (126768, 159435), (127548, 158460), (134634, 150120), (141720, 142614)]