12284820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 37608480

約数和(自身を除く): 25323660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 491, 556, 695, 834, 982, 1251, 1390, 1473, 1668, 1964, 2085, 2455, 2502, 2780, 2946, 4170, 4419, 4910, 5004, 5892, 6255, 7365, 8340, 8838, 9820, 12510, 14730, 17676, 22095, 25020, 29460, 44190, 68249, 88380, 136498, 204747, 272996, 341245, 409494, 614241, 682490, 818988, 1023735, 1228482, 1364980, 2047470, 2456964, 3071205, 4094940, 6142410, 12284820]

約数ペア:

[(1, 12284820), (2, 6142410), (3, 4094940), (4, 3071205), (5, 2456964), (6, 2047470), (9, 1364980), (10, 1228482), (12, 1023735), (15, 818988), (18, 682490), (20, 614241), (30, 409494), (36, 341245), (45, 272996), (60, 204747), (90, 136498), (139, 88380), (180, 68249), (278, 44190), (417, 29460), (491, 25020), (556, 22095), (695, 17676), (834, 14730), (982, 12510), (1251, 9820), (1390, 8838), (1473, 8340), (1668, 7365), (1964, 6255), (2085, 5892), (2455, 5004), (2502, 4910), (2780, 4419), (2946, 4170)]