156975320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1783}}^1$

素因数の和:1896

約数の個数: 64

約数和(自身を含む): 369930240

約数和(自身を除く): 212954920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 1783, 2201, 2840, 3566, 4402, 7132, 8804, 8915, 11005, 14264, 17608, 17830, 22010, 35660, 44020, 55273, 71320, 88040, 110546, 126593, 221092, 253186, 276365, 442184, 506372, 552730, 632965, 1012744, 1105460, 1265930, 2210920, 2531860, 3924383, 5063720, 7848766, 15697532, 19621915, 31395064, 39243830, 78487660, 156975320]

約数ペア:

[(1, 156975320), (2, 78487660), (4, 39243830), (5, 31395064), (8, 19621915), (10, 15697532), (20, 7848766), (31, 5063720), (40, 3924383), (62, 2531860), (71, 2210920), (124, 1265930), (142, 1105460), (155, 1012744), (248, 632965), (284, 552730), (310, 506372), (355, 442184), (568, 276365), (620, 253186), (710, 221092), (1240, 126593), (1420, 110546), (1783, 88040), (2201, 71320), (2840, 55273), (3566, 44020), (4402, 35660), (7132, 22010), (8804, 17830), (8915, 17608), (11005, 14264)]