791821840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2297}}^1$

素因数の和:2480

約数の個数: 80

約数和(自身を含む): 1914877440

約数和(自身を除く): 1123055600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 496, 556, 620, 695, 1112, 1240, 1390, 2224, 2297, 2480, 2780, 4309, 4594, 5560, 8618, 9188, 11120, 11485, 17236, 18376, 21545, 22970, 34472, 36752, 43090, 45940, 68944, 71207, 86180, 91880, 142414, 172360, 183760, 284828, 319283, 344720, 356035, 569656, 638566, 712070, 1139312, 1277132, 1424140, 1596415, 2554264, 2848280, 3192830, 5108528, 5696560, 6385660, 9897773, 12771320, 19795546, 25542640, 39591092, 49488865, 79182184, 98977730, 158364368, 197955460, 395910920, 791821840]

約数ペア:

[(1, 791821840), (2, 395910920), (4, 197955460), (5, 158364368), (8, 98977730), (10, 79182184), (16, 49488865), (20, 39591092), (31, 25542640), (40, 19795546), (62, 12771320), (80, 9897773), (124, 6385660), (139, 5696560), (155, 5108528), (248, 3192830), (278, 2848280), (310, 2554264), (496, 1596415), (556, 1424140), (620, 1277132), (695, 1139312), (1112, 712070), (1240, 638566), (1390, 569656), (2224, 356035), (2297, 344720), (2480, 319283), (2780, 284828), (4309, 183760), (4594, 172360), (5560, 142414), (8618, 91880), (9188, 86180), (11120, 71207), (11485, 68944), (17236, 45940), (18376, 43090), (21545, 36752), (22970, 34472)]