15227820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2729}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 47698560

約数和(自身を除く): 32470740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2729, 2790, 5458, 5580, 8187, 10916, 13645, 16374, 24561, 27290, 32748, 40935, 49122, 54580, 81870, 84599, 98244, 122805, 163740, 169198, 245610, 253797, 338396, 422995, 491220, 507594, 761391, 845990, 1015188, 1268985, 1522782, 1691980, 2537970, 3045564, 3806955, 5075940, 7613910, 15227820]

約数ペア:

[(1, 15227820), (2, 7613910), (3, 5075940), (4, 3806955), (5, 3045564), (6, 2537970), (9, 1691980), (10, 1522782), (12, 1268985), (15, 1015188), (18, 845990), (20, 761391), (30, 507594), (31, 491220), (36, 422995), (45, 338396), (60, 253797), (62, 245610), (90, 169198), (93, 163740), (124, 122805), (155, 98244), (180, 84599), (186, 81870), (279, 54580), (310, 49122), (372, 40935), (465, 32748), (558, 27290), (620, 24561), (930, 16374), (1116, 13645), (1395, 10916), (1860, 8187), (2729, 5580), (2790, 5458)]