8810820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1625

約数の個数: 72

約数和(自身を含む): 27605760

約数和(自身を除く): 18794940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1579, 1860, 2790, 3158, 4737, 5580, 6316, 7895, 9474, 14211, 15790, 18948, 23685, 28422, 31580, 47370, 48949, 56844, 71055, 94740, 97898, 142110, 146847, 195796, 244745, 284220, 293694, 440541, 489490, 587388, 734235, 881082, 978980, 1468470, 1762164, 2202705, 2936940, 4405410, 8810820]

約数ペア:

[(1, 8810820), (2, 4405410), (3, 2936940), (4, 2202705), (5, 1762164), (6, 1468470), (9, 978980), (10, 881082), (12, 734235), (15, 587388), (18, 489490), (20, 440541), (30, 293694), (31, 284220), (36, 244745), (45, 195796), (60, 146847), (62, 142110), (90, 97898), (93, 94740), (124, 71055), (155, 56844), (180, 48949), (186, 47370), (279, 31580), (310, 28422), (372, 23685), (465, 18948), (558, 15790), (620, 14211), (930, 9474), (1116, 7895), (1395, 6316), (1579, 5580), (1860, 4737), (2790, 3158)]