249734640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1579}}^1$

素因数の和:2254

約数の個数: 80

約数和(自身を含む): 775843200

約数和(自身を除く): 526108560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 659, 1318, 1579, 1977, 2636, 3158, 3295, 3954, 4737, 5272, 6316, 6590, 7895, 7908, 9474, 9885, 10544, 12632, 13180, 15790, 15816, 18948, 19770, 23685, 25264, 26360, 31580, 31632, 37896, 39540, 47370, 52720, 63160, 75792, 79080, 94740, 126320, 158160, 189480, 378960, 1040561, 2081122, 3121683, 4162244, 5202805, 6243366, 8324488, 10405610, 12486732, 15608415, 16648976, 20811220, 24973464, 31216830, 41622440, 49946928, 62433660, 83244880, 124867320, 249734640]

約数ペア:

[(1, 249734640), (2, 124867320), (3, 83244880), (4, 62433660), (5, 49946928), (6, 41622440), (8, 31216830), (10, 24973464), (12, 20811220), (15, 16648976), (16, 15608415), (20, 12486732), (24, 10405610), (30, 8324488), (40, 6243366), (48, 5202805), (60, 4162244), (80, 3121683), (120, 2081122), (240, 1040561), (659, 378960), (1318, 189480), (1579, 158160), (1977, 126320), (2636, 94740), (3158, 79080), (3295, 75792), (3954, 63160), (4737, 52720), (5272, 47370), (6316, 39540), (6590, 37896), (7895, 31632), (7908, 31580), (9474, 26360), (9885, 25264), (10544, 23685), (12632, 19770), (13180, 18948), (15790, 15816)]