9121120

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 21787920

約数和(自身を除く): 12666800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 523, 545, 872, 1046, 1090, 1744, 2092, 2180, 2615, 3488, 4184, 4360, 5230, 8368, 8720, 10460, 16736, 17440, 20920, 41840, 57007, 83680, 114014, 228028, 285035, 456056, 570070, 912112, 1140140, 1824224, 2280280, 4560560, 9121120]

約数ペア:

[(1, 9121120), (2, 4560560), (4, 2280280), (5, 1824224), (8, 1140140), (10, 912112), (16, 570070), (20, 456056), (32, 285035), (40, 228028), (80, 114014), (109, 83680), (160, 57007), (218, 41840), (436, 20920), (523, 17440), (545, 16736), (872, 10460), (1046, 8720), (1090, 8368), (1744, 5230), (2092, 4360), (2180, 4184), (2615, 3488)]