30551920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 82226880

約数和(自身を除く): 51674960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 613, 623, 712, 890, 1226, 1246, 1424, 1780, 2452, 2492, 3065, 3115, 3560, 4291, 4904, 4984, 6130, 6230, 7120, 8582, 9808, 9968, 12260, 12460, 17164, 21455, 24520, 24920, 34328, 42910, 49040, 49840, 54557, 68656, 85820, 109114, 171640, 218228, 272785, 343280, 381899, 436456, 545570, 763798, 872912, 1091140, 1527596, 1909495, 2182280, 3055192, 3818990, 4364560, 6110384, 7637980, 15275960, 30551920]

約数ペア:

[(1, 30551920), (2, 15275960), (4, 7637980), (5, 6110384), (7, 4364560), (8, 3818990), (10, 3055192), (14, 2182280), (16, 1909495), (20, 1527596), (28, 1091140), (35, 872912), (40, 763798), (56, 545570), (70, 436456), (80, 381899), (89, 343280), (112, 272785), (140, 218228), (178, 171640), (280, 109114), (356, 85820), (445, 68656), (560, 54557), (613, 49840), (623, 49040), (712, 42910), (890, 34328), (1226, 24920), (1246, 24520), (1424, 21455), (1780, 17164), (2452, 12460), (2492, 12260), (3065, 9968), (3115, 9808), (3560, 8582), (4291, 7120), (4904, 6230), (4984, 6130)]