91980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 323232

約数和(自身を除く): 231252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 630, 657, 730, 876, 1022, 1095, 1260, 1314, 1460, 1533, 2044, 2190, 2555, 2628, 3066, 3285, 4380, 4599, 5110, 6132, 6570, 7665, 9198, 10220, 13140, 15330, 18396, 22995, 30660, 45990, 91980]

約数ペア:

[(1, 91980), (2, 45990), (3, 30660), (4, 22995), (5, 18396), (6, 15330), (7, 13140), (9, 10220), (10, 9198), (12, 7665), (14, 6570), (15, 6132), (18, 5110), (20, 4599), (21, 4380), (28, 3285), (30, 3066), (35, 2628), (36, 2555), (42, 2190), (45, 2044), (60, 1533), (63, 1460), (70, 1314), (73, 1260), (84, 1095), (90, 1022), (105, 876), (126, 730), (140, 657), (146, 630), (180, 511), (210, 438), (219, 420), (252, 365), (292, 315)]