15275960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 39787200

約数和(自身を除く): 24511240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 613, 623, 712, 890, 1226, 1246, 1780, 2452, 2492, 3065, 3115, 3560, 4291, 4904, 4984, 6130, 6230, 8582, 12260, 12460, 17164, 21455, 24520, 24920, 34328, 42910, 54557, 85820, 109114, 171640, 218228, 272785, 381899, 436456, 545570, 763798, 1091140, 1527596, 1909495, 2182280, 3055192, 3818990, 7637980, 15275960]

約数ペア:

[(1, 15275960), (2, 7637980), (4, 3818990), (5, 3055192), (7, 2182280), (8, 1909495), (10, 1527596), (14, 1091140), (20, 763798), (28, 545570), (35, 436456), (40, 381899), (56, 272785), (70, 218228), (89, 171640), (140, 109114), (178, 85820), (280, 54557), (356, 42910), (445, 34328), (613, 24920), (623, 24520), (712, 21455), (890, 17164), (1226, 12460), (1246, 12260), (1780, 8582), (2452, 6230), (2492, 6130), (3065, 4984), (3115, 4904), (3560, 4291)]