30638940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{739}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 86029440

約数和(自身を除く): 55390500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 691, 739, 1382, 1478, 2073, 2217, 2764, 2956, 3455, 3695, 4146, 4434, 6910, 7390, 8292, 8868, 10365, 11085, 13820, 14780, 20730, 22170, 41460, 44340, 510649, 1021298, 1531947, 2042596, 2553245, 3063894, 5106490, 6127788, 7659735, 10212980, 15319470, 30638940]

約数ペア:

[(1, 30638940), (2, 15319470), (3, 10212980), (4, 7659735), (5, 6127788), (6, 5106490), (10, 3063894), (12, 2553245), (15, 2042596), (20, 1531947), (30, 1021298), (60, 510649), (691, 44340), (739, 41460), (1382, 22170), (1478, 20730), (2073, 14780), (2217, 13820), (2764, 11085), (2956, 10365), (3455, 8868), (3695, 8292), (4146, 7390), (4434, 6910)]