30018420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2111}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 92252160

約数和(自身を除く): 62233740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2111, 2370, 2844, 3555, 4222, 4740, 6333, 7110, 8444, 10555, 12666, 14220, 18999, 21110, 25332, 31665, 37998, 42220, 63330, 75996, 94995, 126660, 166769, 189990, 333538, 379980, 500307, 667076, 833845, 1000614, 1500921, 1667690, 2001228, 2501535, 3001842, 3335380, 5003070, 6003684, 7504605, 10006140, 15009210, 30018420]

約数ペア:

[(1, 30018420), (2, 15009210), (3, 10006140), (4, 7504605), (5, 6003684), (6, 5003070), (9, 3335380), (10, 3001842), (12, 2501535), (15, 2001228), (18, 1667690), (20, 1500921), (30, 1000614), (36, 833845), (45, 667076), (60, 500307), (79, 379980), (90, 333538), (158, 189990), (180, 166769), (237, 126660), (316, 94995), (395, 75996), (474, 63330), (711, 42220), (790, 37998), (948, 31665), (1185, 25332), (1422, 21110), (1580, 18999), (2111, 14220), (2370, 12666), (2844, 10555), (3555, 8444), (4222, 7110), (4740, 6333)]