128515440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{535481}}^1$

素因数の和:535497

約数の個数: 40

約数和(自身を含む): 398398608

約数和(自身を除く): 269883168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 535481, 1070962, 1606443, 2141924, 2677405, 3212886, 4283848, 5354810, 6425772, 8032215, 8567696, 10709620, 12851544, 16064430, 21419240, 25703088, 32128860, 42838480, 64257720, 128515440]

約数ペア:

[(1, 128515440), (2, 64257720), (3, 42838480), (4, 32128860), (5, 25703088), (6, 21419240), (8, 16064430), (10, 12851544), (12, 10709620), (15, 8567696), (16, 8032215), (20, 6425772), (24, 5354810), (30, 4283848), (40, 3212886), (48, 2677405), (60, 2141924), (80, 1606443), (120, 1070962), (240, 535481)]