129998640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{541661}}^1$

素因数の和:541677

約数の個数: 40

約数和(自身を含む): 402996528

約数和(自身を除く): 272997888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 541661, 1083322, 1624983, 2166644, 2708305, 3249966, 4333288, 5416610, 6499932, 8124915, 8666576, 10833220, 12999864, 16249830, 21666440, 25999728, 32499660, 43332880, 64999320, 129998640]

約数ペア:

[(1, 129998640), (2, 64999320), (3, 43332880), (4, 32499660), (5, 25999728), (6, 21666440), (8, 16249830), (10, 12999864), (12, 10833220), (15, 8666576), (16, 8124915), (20, 6499932), (24, 5416610), (30, 4333288), (40, 3249966), (48, 2708305), (60, 2166644), (80, 1624983), (120, 1083322), (240, 541661)]