28615320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 94039920

約数和(自身を除く): 65424600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 303, 360, 404, 505, 606, 787, 808, 909, 1010, 1212, 1515, 1574, 1818, 2020, 2361, 2424, 3030, 3148, 3636, 3935, 4040, 4545, 4722, 6060, 6296, 7083, 7272, 7870, 9090, 9444, 11805, 12120, 14166, 15740, 18180, 18888, 23610, 28332, 31480, 35415, 36360, 47220, 56664, 70830, 79487, 94440, 141660, 158974, 238461, 283320, 317948, 397435, 476922, 635896, 715383, 794870, 953844, 1192305, 1430766, 1589740, 1907688, 2384610, 2861532, 3179480, 3576915, 4769220, 5723064, 7153830, 9538440, 14307660, 28615320]

約数ペア:

[(1, 28615320), (2, 14307660), (3, 9538440), (4, 7153830), (5, 5723064), (6, 4769220), (8, 3576915), (9, 3179480), (10, 2861532), (12, 2384610), (15, 1907688), (18, 1589740), (20, 1430766), (24, 1192305), (30, 953844), (36, 794870), (40, 715383), (45, 635896), (60, 476922), (72, 397435), (90, 317948), (101, 283320), (120, 238461), (180, 158974), (202, 141660), (303, 94440), (360, 79487), (404, 70830), (505, 56664), (606, 47220), (787, 36360), (808, 35415), (909, 31480), (1010, 28332), (1212, 23610), (1515, 18888), (1574, 18180), (1818, 15740), (2020, 14166), (2361, 12120), (2424, 11805), (3030, 9444), (3148, 9090), (3636, 7870), (3935, 7272), (4040, 7083), (4545, 6296), (4722, 6060)]