19979968320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28087}}^1$

素因数の和:28142

約数の個数: 336

約数和(自身を含む): 77907123840

約数和(自身を除く): 57927155520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 64, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 130, 144, 152, 156, 160, 171, 180, 190, 192, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 320, 342, 360, 380, 390, 416, 456, 468, 480, 494, 520, 570, 576, 585, 608, 624, 684, 720, 741, 760, 780, 832, 855, 912, 936, 960, 988, 1040, 1140, 1170, 1216, 1235, 1248, 1368, 1440, 1482, 1520, 1560, 1710, 1824, 1872, 1976, 2080, 2223, 2280, 2340, 2470, 2496, 2736, 2880, 2964, 3040, 3120, 3420, 3648, 3705, 3744, 3952, 4160, 4446, 4560, 4680, 4940, 5472, 5928, 6080, 6240, 6840, 7410, 7488, 7904, 8892, 9120, 9360, 9880, 10944, 11115, 11856, 12480, 13680, 14820, 15808, 17784, 18240, 18720, 19760, 22230, 23712, 27360, 28087, 29640, 35568, 37440, 39520, 44460, 47424, 54720, 56174, 59280, 71136, 79040, 84261, 88920, 112348, 118560, 140435, 142272, 168522, 177840, 224696, 237120, 252783, 280870, 337044, 355680, 365131, 421305, 449392, 505566, 533653, 561740, 674088, 711360, 730262, 842610, 898784, 1011132, 1067306, 1095393, 1123480, 1263915, 1348176, 1460524, 1600959, 1685220, 1797568, 1825655, 2022264, 2134612, 2190786, 2246960, 2527830, 2668265, 2696352, 2921048, 3201918, 3286179, 3370440, 3651310, 4044528, 4269224, 4381572, 4493920, 4802877, 5055660, 5336530, 5392704, 5476965, 5842096, 6403836, 6572358, 6740880, 6937489, 7302620, 8004795, 8089056, 8538448, 8763144, 8987840, 9605754, 10111320, 10673060, 10953930, 11684192, 12807672, 13144716, 13481760, 13874978, 14605240, 16009590, 16178112, 16430895, 17076896, 17526288, 19211508, 20222640, 20812467, 21346120, 21907860, 23368384, 24014385, 25615344, 26289432, 26963520, 27749956, 29210480, 32019180, 32861790, 34153792, 34687445, 35052576, 38423016, 40445280, 41624934, 42692240, 43815720, 48028770, 51230688, 52578864, 55499912, 58420960, 62437401, 64038360, 65723580, 69374890, 70105152, 76846032, 80890560, 83249868, 85384480, 87631440, 96057540, 102461376, 104062335, 105157728, 110999824, 116841920, 124874802, 128076720, 131447160, 138749780, 153692064, 166499736, 170768960, 175262880, 192115080, 208124670, 210315456, 221999648, 249749604, 256153440, 262894320, 277499560, 307384128, 312187005, 332999472, 350525760, 384230160, 416249340, 443999296, 499499208, 512306880, 525788640, 554999120, 624374010, 665998944, 768460320, 832498680, 998998416, 1051577280, 1109998240, 1248748020, 1331997888, 1536920640, 1664997360, 1997996832, 2219996480, 2497496040, 3329994720, 3995993664, 4994992080, 6659989440, 9989984160, 19979968320]

約数ペア:

[(1, 19979968320), (2, 9989984160), (3, 6659989440), (4, 4994992080), (5, 3995993664), (6, 3329994720), (8, 2497496040), (9, 2219996480), (10, 1997996832), (12, 1664997360), (13, 1536920640), (15, 1331997888), (16, 1248748020), (18, 1109998240), (19, 1051577280), (20, 998998416), (24, 832498680), (26, 768460320), (30, 665998944), (32, 624374010), (36, 554999120), (38, 525788640), (39, 512306880), (40, 499499208), (45, 443999296), (48, 416249340), (52, 384230160), (57, 350525760), (60, 332999472), (64, 312187005), (65, 307384128), (72, 277499560), (76, 262894320), (78, 256153440), (80, 249749604), (90, 221999648), (95, 210315456), (96, 208124670), (104, 192115080), (114, 175262880), (117, 170768960), (120, 166499736), (130, 153692064), (144, 138749780), (152, 131447160), (156, 128076720), (160, 124874802), (171, 116841920), (180, 110999824), (190, 105157728), (192, 104062335), (195, 102461376), (208, 96057540), (228, 87631440), (234, 85384480), (240, 83249868), (247, 80890560), (260, 76846032), (285, 70105152), (288, 69374890), (304, 65723580), (312, 64038360), (320, 62437401), (342, 58420960), (360, 55499912), (380, 52578864), (390, 51230688), (416, 48028770), (456, 43815720), (468, 42692240), (480, 41624934), (494, 40445280), (520, 38423016), (570, 35052576), (576, 34687445), (585, 34153792), (608, 32861790), (624, 32019180), (684, 29210480), (720, 27749956), (741, 26963520), (760, 26289432), (780, 25615344), (832, 24014385), (855, 23368384), (912, 21907860), (936, 21346120), (960, 20812467), (988, 20222640), (1040, 19211508), (1140, 17526288), (1170, 17076896), (1216, 16430895), (1235, 16178112), (1248, 16009590), (1368, 14605240), (1440, 13874978), (1482, 13481760), (1520, 13144716), (1560, 12807672), (1710, 11684192), (1824, 10953930), (1872, 10673060), (1976, 10111320), (2080, 9605754), (2223, 8987840), (2280, 8763144), (2340, 8538448), (2470, 8089056), (2496, 8004795), (2736, 7302620), (2880, 6937489), (2964, 6740880), (3040, 6572358), (3120, 6403836), (3420, 5842096), (3648, 5476965), (3705, 5392704), (3744, 5336530), (3952, 5055660), (4160, 4802877), (4446, 4493920), (4560, 4381572), (4680, 4269224), (4940, 4044528), (5472, 3651310), (5928, 3370440), (6080, 3286179), (6240, 3201918), (6840, 2921048), (7410, 2696352), (7488, 2668265), (7904, 2527830), (8892, 2246960), (9120, 2190786), (9360, 2134612), (9880, 2022264), (10944, 1825655), (11115, 1797568), (11856, 1685220), (12480, 1600959), (13680, 1460524), (14820, 1348176), (15808, 1263915), (17784, 1123480), (18240, 1095393), (18720, 1067306), (19760, 1011132), (22230, 898784), (23712, 842610), (27360, 730262), (28087, 711360), (29640, 674088), (35568, 561740), (37440, 533653), (39520, 505566), (44460, 449392), (47424, 421305), (54720, 365131), (56174, 355680), (59280, 337044), (71136, 280870), (79040, 252783), (84261, 237120), (88920, 224696), (112348, 177840), (118560, 168522), (140435, 142272)]