215690560

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1344

約数の個数: 112

約数和(自身を含む): 561807360

約数和(自身を除く): 346116800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1054, 1088, 1240, 1279, 1360, 1984, 2108, 2480, 2558, 2635, 2720, 4216, 4960, 5116, 5270, 5440, 6395, 8432, 9920, 10232, 10540, 12790, 16864, 20464, 21080, 21743, 25580, 33728, 39649, 40928, 42160, 43486, 51160, 79298, 81856, 84320, 86972, 102320, 108715, 158596, 168640, 173944, 198245, 204640, 217430, 317192, 347888, 396490, 409280, 434860, 634384, 674033, 695776, 792980, 869720, 1268768, 1348066, 1391552, 1585960, 1739440, 2537536, 2696132, 3171920, 3370165, 3478880, 5392264, 6343840, 6740330, 6957760, 10784528, 12687680, 13480660, 21569056, 26961320, 43138112, 53922640, 107845280, 215690560]

約数ペア:

[(1, 215690560), (2, 107845280), (4, 53922640), (5, 43138112), (8, 26961320), (10, 21569056), (16, 13480660), (17, 12687680), (20, 10784528), (31, 6957760), (32, 6740330), (34, 6343840), (40, 5392264), (62, 3478880), (64, 3370165), (68, 3171920), (80, 2696132), (85, 2537536), (124, 1739440), (136, 1585960), (155, 1391552), (160, 1348066), (170, 1268768), (248, 869720), (272, 792980), (310, 695776), (320, 674033), (340, 634384), (496, 434860), (527, 409280), (544, 396490), (620, 347888), (680, 317192), (992, 217430), (1054, 204640), (1088, 198245), (1240, 173944), (1279, 168640), (1360, 158596), (1984, 108715), (2108, 102320), (2480, 86972), (2558, 84320), (2635, 81856), (2720, 79298), (4216, 51160), (4960, 43486), (5116, 42160), (5270, 40928), (5440, 39649), (6395, 33728), (8432, 25580), (9920, 21743), (10232, 21080), (10540, 20464), (12790, 16864)]