647908320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1349809}}^1$

素因数の和:1349827

約数の個数: 48

約数和(自身を含む): 2040912720

約数和(自身を除く): 1393004400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 1349809, 2699618, 4049427, 5399236, 6749045, 8098854, 10798472, 13498090, 16197708, 20247135, 21596944, 26996180, 32395416, 40494270, 43193888, 53992360, 64790832, 80988540, 107984720, 129581664, 161977080, 215969440, 323954160, 647908320]

約数ペア:

[(1, 647908320), (2, 323954160), (3, 215969440), (4, 161977080), (5, 129581664), (6, 107984720), (8, 80988540), (10, 64790832), (12, 53992360), (15, 43193888), (16, 40494270), (20, 32395416), (24, 26996180), (30, 21596944), (32, 20247135), (40, 16197708), (48, 13498090), (60, 10798472), (80, 8098854), (96, 6749045), (120, 5399236), (160, 4049427), (240, 2699618), (480, 1349809)]