313786920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19961}}^1$

素因数の和:20106

約数の個数: 64

約数和(自身を含む): 948594240

約数和(自身を除く): 634807320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 19961, 39922, 59883, 79844, 99805, 119766, 159688, 199610, 239532, 299415, 399220, 479064, 598830, 798440, 1197660, 2395320, 2614891, 5229782, 7844673, 10459564, 13074455, 15689346, 20919128, 26148910, 31378692, 39223365, 52297820, 62757384, 78446730, 104595640, 156893460, 313786920]

約数ペア:

[(1, 313786920), (2, 156893460), (3, 104595640), (4, 78446730), (5, 62757384), (6, 52297820), (8, 39223365), (10, 31378692), (12, 26148910), (15, 20919128), (20, 15689346), (24, 13074455), (30, 10459564), (40, 7844673), (60, 5229782), (120, 2614891), (131, 2395320), (262, 1197660), (393, 798440), (524, 598830), (655, 479064), (786, 399220), (1048, 299415), (1310, 239532), (1572, 199610), (1965, 159688), (2620, 119766), (3144, 99805), (3930, 79844), (5240, 59883), (7860, 39922), (15720, 19961)]