87890520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5591}}^1$

素因数の和:5736

約数の個数: 64

約数和(自身を含む): 265731840

約数和(自身を除く): 177841320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 5591, 7860, 11182, 15720, 16773, 22364, 27955, 33546, 44728, 55910, 67092, 83865, 111820, 134184, 167730, 223640, 335460, 670920, 732421, 1464842, 2197263, 2929684, 3662105, 4394526, 5859368, 7324210, 8789052, 10986315, 14648420, 17578104, 21972630, 29296840, 43945260, 87890520]

約数ペア:

[(1, 87890520), (2, 43945260), (3, 29296840), (4, 21972630), (5, 17578104), (6, 14648420), (8, 10986315), (10, 8789052), (12, 7324210), (15, 5859368), (20, 4394526), (24, 3662105), (30, 2929684), (40, 2197263), (60, 1464842), (120, 732421), (131, 670920), (262, 335460), (393, 223640), (524, 167730), (655, 134184), (786, 111820), (1048, 83865), (1310, 67092), (1572, 55910), (1965, 44728), (2620, 33546), (3144, 27955), (3930, 22364), (5240, 16773), (5591, 15720), (7860, 11182)]