85474740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109583}}^1$

素因数の和:109608

約数の個数: 48

約数和(自身を含む): 257741568

約数和(自身を除く): 172266828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 109583, 219166, 328749, 438332, 547915, 657498, 1095830, 1314996, 1424579, 1643745, 2191660, 2849158, 3287490, 4273737, 5698316, 6574980, 7122895, 8547474, 14245790, 17094948, 21368685, 28491580, 42737370, 85474740]

約数ペア:

[(1, 85474740), (2, 42737370), (3, 28491580), (4, 21368685), (5, 17094948), (6, 14245790), (10, 8547474), (12, 7122895), (13, 6574980), (15, 5698316), (20, 4273737), (26, 3287490), (30, 2849158), (39, 2191660), (52, 1643745), (60, 1424579), (65, 1314996), (78, 1095830), (130, 657498), (156, 547915), (195, 438332), (260, 328749), (390, 219166), (780, 109583)]