64627440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269281}}^1$

素因数の和:269297

約数の個数: 40

約数和(自身を含む): 200345808

約数和(自身を除く): 135718368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269281, 538562, 807843, 1077124, 1346405, 1615686, 2154248, 2692810, 3231372, 4039215, 4308496, 5385620, 6462744, 8078430, 10771240, 12925488, 16156860, 21542480, 32313720, 64627440]

約数ペア:

[(1, 64627440), (2, 32313720), (3, 21542480), (4, 16156860), (5, 12925488), (6, 10771240), (8, 8078430), (10, 6462744), (12, 5385620), (15, 4308496), (16, 4039215), (20, 3231372), (24, 2692810), (30, 2154248), (40, 1615686), (48, 1346405), (60, 1077124), (80, 807843), (120, 538562), (240, 269281)]