81791040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{85199}}^1$

素因数の和:85219

約数の個数: 56

約数和(自身を含む): 259689600

約数和(自身を除く): 177898560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 85199, 170398, 255597, 340796, 425995, 511194, 681592, 851990, 1022388, 1277985, 1363184, 1703980, 2044776, 2555970, 2726368, 3407960, 4089552, 5111940, 5452736, 6815920, 8179104, 10223880, 13631840, 16358208, 20447760, 27263680, 40895520, 81791040]

約数ペア:

[(1, 81791040), (2, 40895520), (3, 27263680), (4, 20447760), (5, 16358208), (6, 13631840), (8, 10223880), (10, 8179104), (12, 6815920), (15, 5452736), (16, 5111940), (20, 4089552), (24, 3407960), (30, 2726368), (32, 2555970), (40, 2044776), (48, 1703980), (60, 1363184), (64, 1277985), (80, 1022388), (96, 851990), (120, 681592), (160, 511194), (192, 425995), (240, 340796), (320, 255597), (480, 170398), (960, 85199)]