72181460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1223}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 164094336

約数和(自身を除く): 91912876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 454, 908, 1135, 1223, 2270, 2446, 2951, 4540, 4892, 5902, 6115, 11804, 12230, 14755, 15899, 24460, 29510, 31798, 59020, 63596, 79495, 158990, 277621, 317980, 555242, 1110484, 1388105, 2776210, 3609073, 5552420, 7218146, 14436292, 18045365, 36090730, 72181460]

約数ペア:

[(1, 72181460), (2, 36090730), (4, 18045365), (5, 14436292), (10, 7218146), (13, 5552420), (20, 3609073), (26, 2776210), (52, 1388105), (65, 1110484), (130, 555242), (227, 317980), (260, 277621), (454, 158990), (908, 79495), (1135, 63596), (1223, 59020), (2270, 31798), (2446, 29510), (2951, 24460), (4540, 15899), (4892, 14755), (5902, 12230), (6115, 11804)]