1481904920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 3372969600

約数和(自身を除く): 1891064680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 197, 362, 394, 724, 788, 905, 985, 1039, 1448, 1576, 1810, 1970, 2078, 3620, 3940, 4156, 5195, 7240, 7880, 8312, 10390, 20780, 35657, 41560, 71314, 142628, 178285, 188059, 204683, 285256, 356570, 376118, 409366, 713140, 752236, 818732, 940295, 1023415, 1426280, 1504472, 1637464, 1880590, 2046830, 3761180, 4093660, 7522360, 8187320, 37047623, 74095246, 148190492, 185238115, 296380984, 370476230, 740952460, 1481904920]

約数ペア:

[(1, 1481904920), (2, 740952460), (4, 370476230), (5, 296380984), (8, 185238115), (10, 148190492), (20, 74095246), (40, 37047623), (181, 8187320), (197, 7522360), (362, 4093660), (394, 3761180), (724, 2046830), (788, 1880590), (905, 1637464), (985, 1504472), (1039, 1426280), (1448, 1023415), (1576, 940295), (1810, 818732), (1970, 752236), (2078, 713140), (3620, 409366), (3940, 376118), (4156, 356570), (5195, 285256), (7240, 204683), (7880, 188059), (8312, 178285), (10390, 142628), (20780, 71314), (35657, 41560)]