217262640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1739

約数の個数: 160

約数和(自身を含む): 779950080

約数和(自身を除く): 562687440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 240, 280, 316, 336, 395, 420, 474, 553, 560, 632, 790, 840, 948, 1106, 1185, 1264, 1580, 1637, 1659, 1680, 1896, 2212, 2370, 2765, 3160, 3274, 3318, 3792, 4424, 4740, 4911, 5530, 6320, 6548, 6636, 8185, 8295, 8848, 9480, 9822, 11060, 11459, 13096, 13272, 16370, 16590, 18960, 19644, 22120, 22918, 24555, 26192, 26544, 32740, 33180, 34377, 39288, 44240, 45836, 49110, 57295, 65480, 66360, 68754, 78576, 91672, 98220, 114590, 129323, 130960, 132720, 137508, 171885, 183344, 196440, 229180, 258646, 275016, 343770, 387969, 392880, 458360, 517292, 550032, 646615, 687540, 775938, 905261, 916720, 1034584, 1293230, 1375080, 1551876, 1810522, 1939845, 2069168, 2586460, 2715783, 2750160, 3103752, 3621044, 3879690, 4526305, 5172920, 5431566, 6207504, 7242088, 7759380, 9052610, 10345840, 10863132, 13578915, 14484176, 15518760, 18105220, 21726264, 27157830, 31037520, 36210440, 43452528, 54315660, 72420880, 108631320, 217262640]

約数ペア:

[(1, 217262640), (2, 108631320), (3, 72420880), (4, 54315660), (5, 43452528), (6, 36210440), (7, 31037520), (8, 27157830), (10, 21726264), (12, 18105220), (14, 15518760), (15, 14484176), (16, 13578915), (20, 10863132), (21, 10345840), (24, 9052610), (28, 7759380), (30, 7242088), (35, 6207504), (40, 5431566), (42, 5172920), (48, 4526305), (56, 3879690), (60, 3621044), (70, 3103752), (79, 2750160), (80, 2715783), (84, 2586460), (105, 2069168), (112, 1939845), (120, 1810522), (140, 1551876), (158, 1375080), (168, 1293230), (210, 1034584), (237, 916720), (240, 905261), (280, 775938), (316, 687540), (336, 646615), (395, 550032), (420, 517292), (474, 458360), (553, 392880), (560, 387969), (632, 343770), (790, 275016), (840, 258646), (948, 229180), (1106, 196440), (1185, 183344), (1264, 171885), (1580, 137508), (1637, 132720), (1659, 130960), (1680, 129323), (1896, 114590), (2212, 98220), (2370, 91672), (2765, 78576), (3160, 68754), (3274, 66360), (3318, 65480), (3792, 57295), (4424, 49110), (4740, 45836), (4911, 44240), (5530, 39288), (6320, 34377), (6548, 33180), (6636, 32740), (8185, 26544), (8295, 26192), (8848, 24555), (9480, 22918), (9822, 22120), (11060, 19644), (11459, 18960), (13096, 16590), (13272, 16370)]