64205520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{267523}}^1$

素因数の和:267539

約数の個数: 40

約数和(自身を含む): 199037856

約数和(自身を除く): 134832336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 267523, 535046, 802569, 1070092, 1337615, 1605138, 2140184, 2675230, 3210276, 4012845, 4280368, 5350460, 6420552, 8025690, 10700920, 12841104, 16051380, 21401840, 32102760, 64205520]

約数ペア:

[(1, 64205520), (2, 32102760), (3, 21401840), (4, 16051380), (5, 12841104), (6, 10700920), (8, 8025690), (10, 6420552), (12, 5350460), (15, 4280368), (16, 4012845), (20, 3210276), (24, 2675230), (30, 2140184), (40, 1605138), (48, 1337615), (60, 1070092), (80, 802569), (120, 535046), (240, 267523)]