15721942020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{13789}}^1$

素因数の和:14445

約数の個数: 96

約数和(自身を含む): 45518914560

約数和(自身を除く): 29796972540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 613, 620, 930, 1226, 1839, 1860, 2452, 3065, 3678, 6130, 7356, 9195, 12260, 13789, 18390, 19003, 27578, 36780, 38006, 41367, 55156, 57009, 68945, 76012, 82734, 95015, 114018, 137890, 165468, 190030, 206835, 228036, 275780, 285045, 380060, 413670, 427459, 570090, 827340, 854918, 1140180, 1282377, 1709836, 2137295, 2564754, 4274590, 5129508, 6411885, 8452657, 8549180, 12823770, 16905314, 25357971, 25647540, 33810628, 42263285, 50715942, 84526570, 101431884, 126789855, 169053140, 253579710, 262032367, 507159420, 524064734, 786097101, 1048129468, 1310161835, 1572194202, 2620323670, 3144388404, 3930485505, 5240647340, 7860971010, 15721942020]

約数ペア:

[(1, 15721942020), (2, 7860971010), (3, 5240647340), (4, 3930485505), (5, 3144388404), (6, 2620323670), (10, 1572194202), (12, 1310161835), (15, 1048129468), (20, 786097101), (30, 524064734), (31, 507159420), (60, 262032367), (62, 253579710), (93, 169053140), (124, 126789855), (155, 101431884), (186, 84526570), (310, 50715942), (372, 42263285), (465, 33810628), (613, 25647540), (620, 25357971), (930, 16905314), (1226, 12823770), (1839, 8549180), (1860, 8452657), (2452, 6411885), (3065, 5129508), (3678, 4274590), (6130, 2564754), (7356, 2137295), (9195, 1709836), (12260, 1282377), (13789, 1140180), (18390, 854918), (19003, 827340), (27578, 570090), (36780, 427459), (38006, 413670), (41367, 380060), (55156, 285045), (57009, 275780), (68945, 228036), (76012, 206835), (82734, 190030), (95015, 165468), (114018, 137890)]