180568720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28571}}^1$

素因数の和:28663

約数の個数: 40

約数和(自身を含む): 425151360

約数和(自身を除く): 244582640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 28571, 57142, 114284, 142855, 228568, 285710, 457136, 571420, 1142840, 2257109, 2285680, 4514218, 9028436, 11285545, 18056872, 22571090, 36113744, 45142180, 90284360, 180568720]

約数ペア:

[(1, 180568720), (2, 90284360), (4, 45142180), (5, 36113744), (8, 22571090), (10, 18056872), (16, 11285545), (20, 9028436), (40, 4514218), (79, 2285680), (80, 2257109), (158, 1142840), (316, 571420), (395, 457136), (632, 285710), (790, 228568), (1264, 142855), (1580, 114284), (3160, 57142), (6320, 28571)]