81215785875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1\times {\mathrm{1777}}^1$

素因数の和:2582

約数の個数: 128

約数和(自身を含む): 161468116992

約数和(自身を除く): 80252331117

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 125, 161, 175, 345, 375, 483, 525, 575, 757, 805, 875, 1725, 1777, 2271, 2415, 2625, 2875, 3785, 4025, 5299, 5331, 8625, 8885, 11355, 12075, 12439, 15897, 17411, 18925, 20125, 26495, 26655, 37317, 40871, 44425, 52233, 56775, 60375, 62195, 79485, 87055, 94625, 121877, 122613, 132475, 133275, 186585, 204355, 222125, 261165, 283875, 286097, 310975, 365631, 397425, 435275, 609385, 613065, 662375, 666375, 858291, 932925, 1021775, 1305825, 1345189, 1430485, 1554875, 1828155, 1987125, 2176375, 3046925, 3065325, 4035567, 4291455, 4664625, 5108875, 6529125, 6725945, 7152425, 9140775, 9416323, 15234625, 15326625, 20177835, 21457275, 28248969, 30939347, 33629725, 35762125, 45703875, 47081615, 92818041, 100889175, 107286375, 141244845, 154696735, 168148625, 216575429, 235408075, 464090205, 504445875, 649726287, 706224225, 773483675, 1082877145, 1177040375, 2320451025, 3248631435, 3531121125, 3867418375, 5414385725, 11602255125, 16243157175, 27071928625, 81215785875]

約数ペア:

[(1, 81215785875), (3, 27071928625), (5, 16243157175), (7, 11602255125), (15, 5414385725), (21, 3867418375), (23, 3531121125), (25, 3248631435), (35, 2320451025), (69, 1177040375), (75, 1082877145), (105, 773483675), (115, 706224225), (125, 649726287), (161, 504445875), (175, 464090205), (345, 235408075), (375, 216575429), (483, 168148625), (525, 154696735), (575, 141244845), (757, 107286375), (805, 100889175), (875, 92818041), (1725, 47081615), (1777, 45703875), (2271, 35762125), (2415, 33629725), (2625, 30939347), (2875, 28248969), (3785, 21457275), (4025, 20177835), (5299, 15326625), (5331, 15234625), (8625, 9416323), (8885, 9140775), (11355, 7152425), (12075, 6725945), (12439, 6529125), (15897, 5108875), (17411, 4664625), (18925, 4291455), (20125, 4035567), (26495, 3065325), (26655, 3046925), (37317, 2176375), (40871, 1987125), (44425, 1828155), (52233, 1554875), (56775, 1430485), (60375, 1345189), (62195, 1305825), (79485, 1021775), (87055, 932925), (94625, 858291), (121877, 666375), (122613, 662375), (132475, 613065), (133275, 609385), (186585, 435275), (204355, 397425), (222125, 365631), (261165, 310975), (283875, 286097)]