72703840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 189695520

約数和(自身を除く): 116991680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 160, 176, 202, 220, 352, 404, 409, 440, 505, 808, 818, 880, 1010, 1111, 1616, 1636, 1760, 2020, 2045, 2222, 3232, 3272, 4040, 4090, 4444, 4499, 5555, 6544, 8080, 8180, 8888, 8998, 11110, 13088, 16160, 16360, 17776, 17996, 22220, 22495, 32720, 35552, 35992, 41309, 44440, 44990, 65440, 71984, 82618, 88880, 89980, 143968, 165236, 177760, 179960, 206545, 330472, 359920, 413090, 454399, 660944, 719840, 826180, 908798, 1321888, 1652360, 1817596, 2271995, 3304720, 3635192, 4543990, 6609440, 7270384, 9087980, 14540768, 18175960, 36351920, 72703840]

約数ペア:

[(1, 72703840), (2, 36351920), (4, 18175960), (5, 14540768), (8, 9087980), (10, 7270384), (11, 6609440), (16, 4543990), (20, 3635192), (22, 3304720), (32, 2271995), (40, 1817596), (44, 1652360), (55, 1321888), (80, 908798), (88, 826180), (101, 719840), (110, 660944), (160, 454399), (176, 413090), (202, 359920), (220, 330472), (352, 206545), (404, 179960), (409, 177760), (440, 165236), (505, 143968), (808, 89980), (818, 88880), (880, 82618), (1010, 71984), (1111, 65440), (1616, 44990), (1636, 44440), (1760, 41309), (2020, 35992), (2045, 35552), (2222, 32720), (3232, 22495), (3272, 22220), (4040, 17996), (4090, 17776), (4444, 16360), (4499, 16160), (5555, 13088), (6544, 11110), (8080, 8998), (8180, 8888)]