160540940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 404103168

約数和(自身を除く): 243562228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 217, 284, 310, 355, 434, 497, 521, 620, 710, 868, 994, 1042, 1085, 1420, 1988, 2084, 2170, 2201, 2485, 2605, 3647, 4340, 4402, 4970, 5210, 7294, 8804, 9940, 10420, 11005, 14588, 15407, 16151, 18235, 22010, 30814, 32302, 36470, 36991, 44020, 61628, 64604, 72940, 73982, 77035, 80755, 113057, 147964, 154070, 161510, 184955, 226114, 258937, 308140, 323020, 369910, 452228, 517874, 565285, 739820, 1035748, 1130570, 1146721, 1294685, 2261140, 2293442, 2589370, 4586884, 5178740, 5733605, 8027047, 11467210, 16054094, 22934420, 32108188, 40135235, 80270470, 160540940]

約数ペア:

[(1, 160540940), (2, 80270470), (4, 40135235), (5, 32108188), (7, 22934420), (10, 16054094), (14, 11467210), (20, 8027047), (28, 5733605), (31, 5178740), (35, 4586884), (62, 2589370), (70, 2293442), (71, 2261140), (124, 1294685), (140, 1146721), (142, 1130570), (155, 1035748), (217, 739820), (284, 565285), (310, 517874), (355, 452228), (434, 369910), (497, 323020), (521, 308140), (620, 258937), (710, 226114), (868, 184955), (994, 161510), (1042, 154070), (1085, 147964), (1420, 113057), (1988, 80755), (2084, 77035), (2170, 73982), (2201, 72940), (2485, 64604), (2605, 61628), (3647, 44020), (4340, 36991), (4402, 36470), (4970, 32302), (5210, 30814), (7294, 22010), (8804, 18235), (9940, 16151), (10420, 15407), (11005, 14588)]