81470040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2399}}^1$

素因数の和:2696

約数の個数: 64

約数和(自身を含む): 245376000

約数和(自身を除く): 163905960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 283, 566, 849, 1132, 1415, 1698, 2264, 2399, 2830, 3396, 4245, 4798, 5660, 6792, 7197, 8490, 9596, 11320, 11995, 14394, 16980, 19192, 23990, 28788, 33960, 35985, 47980, 57576, 71970, 95960, 143940, 287880, 678917, 1357834, 2036751, 2715668, 3394585, 4073502, 5431336, 6789170, 8147004, 10183755, 13578340, 16294008, 20367510, 27156680, 40735020, 81470040]

約数ペア:

[(1, 81470040), (2, 40735020), (3, 27156680), (4, 20367510), (5, 16294008), (6, 13578340), (8, 10183755), (10, 8147004), (12, 6789170), (15, 5431336), (20, 4073502), (24, 3394585), (30, 2715668), (40, 2036751), (60, 1357834), (120, 678917), (283, 287880), (566, 143940), (849, 95960), (1132, 71970), (1415, 57576), (1698, 47980), (2264, 35985), (2399, 33960), (2830, 28788), (3396, 23990), (4245, 19192), (4798, 16980), (5660, 14394), (6792, 11995), (7197, 11320), (8490, 9596)]