256951320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2141261}}^1$

素因数の和:2141275

約数の個数: 32

約数和(自身を含む): 770854320

約数和(自身を除く): 513903000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2141261, 4282522, 6423783, 8565044, 10706305, 12847566, 17130088, 21412610, 25695132, 32118915, 42825220, 51390264, 64237830, 85650440, 128475660, 256951320]

約数ペア:

[(1, 256951320), (2, 128475660), (3, 85650440), (4, 64237830), (5, 51390264), (6, 42825220), (8, 32118915), (10, 25695132), (12, 21412610), (15, 17130088), (20, 12847566), (24, 10706305), (30, 8565044), (40, 6423783), (60, 4282522), (120, 2141261)]