128774640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536561}}^1$

素因数の和:536577

約数の個数: 40

約数和(自身を含む): 399202128

約数和(自身を除く): 270427488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536561, 1073122, 1609683, 2146244, 2682805, 3219366, 4292488, 5365610, 6438732, 8048415, 8584976, 10731220, 12877464, 16096830, 21462440, 25754928, 32193660, 42924880, 64387320, 128774640]

約数ペア:

[(1, 128774640), (2, 64387320), (3, 42924880), (4, 32193660), (5, 25754928), (6, 21462440), (8, 16096830), (10, 12877464), (12, 10731220), (15, 8584976), (16, 8048415), (20, 6438732), (24, 5365610), (30, 4292488), (40, 3219366), (48, 2682805), (60, 2146244), (80, 1609683), (120, 1073122), (240, 536561)]