81177750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 222187680

約数和(自身を除く): 141009930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 109, 125, 150, 218, 225, 250, 327, 331, 375, 450, 545, 654, 662, 750, 981, 993, 1090, 1125, 1635, 1655, 1962, 1986, 2250, 2725, 2979, 3270, 3310, 4905, 4965, 5450, 5958, 8175, 8275, 9810, 9930, 13625, 14895, 16350, 16550, 24525, 24825, 27250, 29790, 36079, 40875, 41375, 49050, 49650, 72158, 74475, 81750, 82750, 108237, 122625, 124125, 148950, 180395, 216474, 245250, 248250, 324711, 360790, 372375, 541185, 649422, 744750, 901975, 1082370, 1623555, 1803950, 2705925, 3247110, 4509875, 5411850, 8117775, 9019750, 13529625, 16235550, 27059250, 40588875, 81177750]

約数ペア:

[(1, 81177750), (2, 40588875), (3, 27059250), (5, 16235550), (6, 13529625), (9, 9019750), (10, 8117775), (15, 5411850), (18, 4509875), (25, 3247110), (30, 2705925), (45, 1803950), (50, 1623555), (75, 1082370), (90, 901975), (109, 744750), (125, 649422), (150, 541185), (218, 372375), (225, 360790), (250, 324711), (327, 248250), (331, 245250), (375, 216474), (450, 180395), (545, 148950), (654, 124125), (662, 122625), (750, 108237), (981, 82750), (993, 81750), (1090, 74475), (1125, 72158), (1635, 49650), (1655, 49050), (1962, 41375), (1986, 40875), (2250, 36079), (2725, 29790), (2979, 27250), (3270, 24825), (3310, 24525), (4905, 16550), (4965, 16350), (5450, 14895), (5958, 13625), (8175, 9930), (8275, 9810)]