28793220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7867}}^1$

素因数の和:7940

約数の個数: 48

約数和(自身を含む): 81953088

約数和(自身を除く): 53159868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 7867, 15734, 23601, 31468, 39335, 47202, 78670, 94404, 118005, 157340, 236010, 472020, 479887, 959774, 1439661, 1919548, 2399435, 2879322, 4798870, 5758644, 7198305, 9597740, 14396610, 28793220]

約数ペア:

[(1, 28793220), (2, 14396610), (3, 9597740), (4, 7198305), (5, 5758644), (6, 4798870), (10, 2879322), (12, 2399435), (15, 1919548), (20, 1439661), (30, 959774), (60, 479887), (61, 472020), (122, 236010), (183, 157340), (244, 118005), (305, 94404), (366, 78670), (610, 47202), (732, 39335), (915, 31468), (1220, 23601), (1830, 15734), (3660, 7867)]