20891187240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29363}}^1$

素因数の和:29413

約数の個数: 288

約数和(自身を含む): 80139054240

約数和(自身を除く): 59247867000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 121, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 242, 245, 264, 280, 294, 308, 330, 363, 385, 392, 420, 440, 462, 484, 490, 539, 588, 605, 616, 660, 726, 735, 770, 840, 847, 924, 968, 980, 1078, 1155, 1176, 1210, 1320, 1452, 1470, 1540, 1617, 1694, 1815, 1848, 1960, 2156, 2310, 2420, 2541, 2695, 2904, 2940, 3080, 3234, 3388, 3630, 4235, 4312, 4620, 4840, 5082, 5390, 5880, 5929, 6468, 6776, 7260, 8085, 8470, 9240, 10164, 10780, 11858, 12705, 12936, 14520, 16170, 16940, 17787, 20328, 21560, 23716, 25410, 29363, 29645, 32340, 33880, 35574, 47432, 50820, 58726, 59290, 64680, 71148, 88089, 88935, 101640, 117452, 118580, 142296, 146815, 176178, 177870, 205541, 234904, 237160, 293630, 322993, 352356, 355740, 411082, 440445, 587260, 616623, 645986, 704712, 711480, 822164, 880890, 968979, 1027705, 1174520, 1233246, 1291972, 1438787, 1614965, 1644328, 1761780, 1937958, 2055410, 2260951, 2466492, 2583944, 2877574, 3083115, 3229930, 3523560, 3552923, 3875916, 4110820, 4316361, 4521902, 4844895, 4932984, 5755148, 6166230, 6459860, 6782853, 7105846, 7193935, 7751832, 8221640, 8632722, 9043804, 9689790, 10658769, 11304755, 11510296, 12332460, 12919720, 13565706, 14211692, 14387870, 15826657, 17265444, 17764615, 18087608, 19379580, 21317538, 21581805, 22609510, 24664920, 24870461, 27131412, 28423384, 28775740, 31653314, 33914265, 34530888, 35529230, 38759160, 42635076, 43163610, 45219020, 47479971, 49740922, 53293845, 54262824, 57551480, 63306628, 67828530, 71058460, 74611383, 79133285, 85270152, 86327220, 90438040, 94959942, 99481844, 106587690, 124352305, 126613256, 135657060, 142116920, 149222766, 158266570, 172654440, 174093227, 189919884, 198963688, 213175380, 237399855, 248704610, 271314120, 298445532, 316533140, 348186454, 373056915, 379839768, 426350760, 474799710, 497409220, 522279681, 596891064, 633066280, 696372908, 746113830, 870466135, 949599420, 994818440, 1044559362, 1392745816, 1492227660, 1740932270, 1899198840, 2089118724, 2611398405, 2984455320, 3481864540, 4178237448, 5222796810, 6963729080, 10445593620, 20891187240]

約数ペア:

[(1, 20891187240), (2, 10445593620), (3, 6963729080), (4, 5222796810), (5, 4178237448), (6, 3481864540), (7, 2984455320), (8, 2611398405), (10, 2089118724), (11, 1899198840), (12, 1740932270), (14, 1492227660), (15, 1392745816), (20, 1044559362), (21, 994818440), (22, 949599420), (24, 870466135), (28, 746113830), (30, 696372908), (33, 633066280), (35, 596891064), (40, 522279681), (42, 497409220), (44, 474799710), (49, 426350760), (55, 379839768), (56, 373056915), (60, 348186454), (66, 316533140), (70, 298445532), (77, 271314120), (84, 248704610), (88, 237399855), (98, 213175380), (105, 198963688), (110, 189919884), (120, 174093227), (121, 172654440), (132, 158266570), (140, 149222766), (147, 142116920), (154, 135657060), (165, 126613256), (168, 124352305), (196, 106587690), (210, 99481844), (220, 94959942), (231, 90438040), (242, 86327220), (245, 85270152), (264, 79133285), (280, 74611383), (294, 71058460), (308, 67828530), (330, 63306628), (363, 57551480), (385, 54262824), (392, 53293845), (420, 49740922), (440, 47479971), (462, 45219020), (484, 43163610), (490, 42635076), (539, 38759160), (588, 35529230), (605, 34530888), (616, 33914265), (660, 31653314), (726, 28775740), (735, 28423384), (770, 27131412), (840, 24870461), (847, 24664920), (924, 22609510), (968, 21581805), (980, 21317538), (1078, 19379580), (1155, 18087608), (1176, 17764615), (1210, 17265444), (1320, 15826657), (1452, 14387870), (1470, 14211692), (1540, 13565706), (1617, 12919720), (1694, 12332460), (1815, 11510296), (1848, 11304755), (1960, 10658769), (2156, 9689790), (2310, 9043804), (2420, 8632722), (2541, 8221640), (2695, 7751832), (2904, 7193935), (2940, 7105846), (3080, 6782853), (3234, 6459860), (3388, 6166230), (3630, 5755148), (4235, 4932984), (4312, 4844895), (4620, 4521902), (4840, 4316361), (5082, 4110820), (5390, 3875916), (5880, 3552923), (5929, 3523560), (6468, 3229930), (6776, 3083115), (7260, 2877574), (8085, 2583944), (8470, 2466492), (9240, 2260951), (10164, 2055410), (10780, 1937958), (11858, 1761780), (12705, 1644328), (12936, 1614965), (14520, 1438787), (16170, 1291972), (16940, 1233246), (17787, 1174520), (20328, 1027705), (21560, 968979), (23716, 880890), (25410, 822164), (29363, 711480), (29645, 704712), (32340, 645986), (33880, 616623), (35574, 587260), (47432, 440445), (50820, 411082), (58726, 355740), (59290, 352356), (64680, 322993), (71148, 293630), (88089, 237160), (88935, 234904), (101640, 205541), (117452, 177870), (118580, 176178), (142296, 146815)]