645795040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 1754016768

約数和(自身を除く): 1108221728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 47, 55, 74, 80, 88, 94, 110, 148, 160, 176, 185, 188, 211, 220, 235, 296, 352, 370, 376, 407, 422, 440, 470, 517, 592, 740, 752, 814, 844, 880, 940, 1034, 1055, 1184, 1480, 1504, 1628, 1688, 1739, 1760, 1880, 2035, 2068, 2110, 2321, 2585, 2960, 3256, 3376, 3478, 3760, 4070, 4136, 4220, 4642, 5170, 5920, 6512, 6752, 6956, 7520, 7807, 8140, 8272, 8440, 8695, 9284, 9917, 10340, 11605, 13024, 13912, 15614, 16280, 16544, 16880, 17390, 18568, 19129, 19834, 20680, 23210, 27824, 31228, 32560, 33760, 34780, 37136, 38258, 39035, 39668, 41360, 46420, 49585, 55648, 62456, 65120, 69560, 74272, 76516, 78070, 79336, 82720, 85877, 92840, 95645, 99170, 109087, 124912, 139120, 153032, 156140, 158672, 171754, 185680, 191290, 198340, 218174, 249824, 278240, 306064, 312280, 317344, 343508, 366929, 371360, 382580, 396680, 429385, 436348, 545435, 612128, 624560, 687016, 733858, 765160, 793360, 858770, 872696, 1090870, 1249120, 1374032, 1467716, 1530320, 1586720, 1717540, 1745392, 1834645, 2181740, 2748064, 2935432, 3060640, 3435080, 3490784, 3669290, 4036219, 4363480, 5870864, 6870160, 7338580, 8072438, 8726960, 11741728, 13740320, 14677160, 16144876, 17453920, 20181095, 29354320, 32289752, 40362190, 58708640, 64579504, 80724380, 129159008, 161448760, 322897520, 645795040]

約数ペア:

[(1, 645795040), (2, 322897520), (4, 161448760), (5, 129159008), (8, 80724380), (10, 64579504), (11, 58708640), (16, 40362190), (20, 32289752), (22, 29354320), (32, 20181095), (37, 17453920), (40, 16144876), (44, 14677160), (47, 13740320), (55, 11741728), (74, 8726960), (80, 8072438), (88, 7338580), (94, 6870160), (110, 5870864), (148, 4363480), (160, 4036219), (176, 3669290), (185, 3490784), (188, 3435080), (211, 3060640), (220, 2935432), (235, 2748064), (296, 2181740), (352, 1834645), (370, 1745392), (376, 1717540), (407, 1586720), (422, 1530320), (440, 1467716), (470, 1374032), (517, 1249120), (592, 1090870), (740, 872696), (752, 858770), (814, 793360), (844, 765160), (880, 733858), (940, 687016), (1034, 624560), (1055, 612128), (1184, 545435), (1480, 436348), (1504, 429385), (1628, 396680), (1688, 382580), (1739, 371360), (1760, 366929), (1880, 343508), (2035, 317344), (2068, 312280), (2110, 306064), (2321, 278240), (2585, 249824), (2960, 218174), (3256, 198340), (3376, 191290), (3478, 185680), (3760, 171754), (4070, 158672), (4136, 156140), (4220, 153032), (4642, 139120), (5170, 124912), (5920, 109087), (6512, 99170), (6752, 95645), (6956, 92840), (7520, 85877), (7807, 82720), (8140, 79336), (8272, 78070), (8440, 76516), (8695, 74272), (9284, 69560), (9917, 65120), (10340, 62456), (11605, 55648), (13024, 49585), (13912, 46420), (15614, 41360), (16280, 39668), (16544, 39035), (16880, 38258), (17390, 37136), (18568, 34780), (19129, 33760), (19834, 32560), (20680, 31228), (23210, 27824)]