28445640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2347}}^1$

素因数の和:2462

約数の個数: 64

約数和(自身を含む): 86218560

約数和(自身を除く): 57772920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2347, 2424, 3030, 4040, 4694, 6060, 7041, 9388, 11735, 12120, 14082, 18776, 23470, 28164, 35205, 46940, 56328, 70410, 93880, 140820, 237047, 281640, 474094, 711141, 948188, 1185235, 1422282, 1896376, 2370470, 2844564, 3555705, 4740940, 5689128, 7111410, 9481880, 14222820, 28445640]

約数ペア:

[(1, 28445640), (2, 14222820), (3, 9481880), (4, 7111410), (5, 5689128), (6, 4740940), (8, 3555705), (10, 2844564), (12, 2370470), (15, 1896376), (20, 1422282), (24, 1185235), (30, 948188), (40, 711141), (60, 474094), (101, 281640), (120, 237047), (202, 140820), (303, 93880), (404, 70410), (505, 56328), (606, 46940), (808, 35205), (1010, 28164), (1212, 23470), (1515, 18776), (2020, 14082), (2347, 12120), (2424, 11735), (3030, 9388), (4040, 7041), (4694, 6060)]