1566789880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{2269}}^1$

素因数の和:2624

約数の個数: 64

約数和(自身を含む): 3597314400

約数和(自身を除く): 2030524520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 283, 305, 488, 566, 610, 1132, 1220, 1415, 2264, 2269, 2440, 2830, 4538, 5660, 9076, 11320, 11345, 17263, 18152, 22690, 34526, 45380, 69052, 86315, 90760, 138104, 138409, 172630, 276818, 345260, 553636, 642127, 690520, 692045, 1107272, 1284254, 1384090, 2568508, 2768180, 3210635, 5137016, 5536360, 6421270, 12842540, 25685080, 39169747, 78339494, 156678988, 195848735, 313357976, 391697470, 783394940, 1566789880]

約数ペア:

[(1, 1566789880), (2, 783394940), (4, 391697470), (5, 313357976), (8, 195848735), (10, 156678988), (20, 78339494), (40, 39169747), (61, 25685080), (122, 12842540), (244, 6421270), (283, 5536360), (305, 5137016), (488, 3210635), (566, 2768180), (610, 2568508), (1132, 1384090), (1220, 1284254), (1415, 1107272), (2264, 692045), (2269, 690520), (2440, 642127), (2830, 553636), (4538, 345260), (5660, 276818), (9076, 172630), (11320, 138409), (11345, 138104), (17263, 90760), (18152, 86315), (22690, 69052), (34526, 45380)]