20151653320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{1583}}^1$

素因数の和:1855

約数の個数: 128

約数和(自身を含む): 48160189440

約数和(自身を除く): 28008536120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 101, 115, 137, 184, 202, 230, 274, 404, 460, 505, 548, 685, 808, 920, 1010, 1096, 1370, 1583, 2020, 2323, 2740, 3151, 3166, 4040, 4646, 5480, 6302, 6332, 7915, 9292, 11615, 12604, 12664, 13837, 15755, 15830, 18584, 23230, 25208, 27674, 31510, 31660, 36409, 46460, 55348, 63020, 63320, 69185, 72818, 92920, 110696, 126040, 138370, 145636, 159883, 182045, 216871, 276740, 291272, 318251, 319766, 364090, 433742, 553480, 636502, 639532, 728180, 799415, 867484, 1084355, 1273004, 1279064, 1456360, 1591255, 1598830, 1734968, 2168710, 2546008, 3182510, 3197660, 3677309, 4337420, 4988033, 6365020, 6395320, 7354618, 8674840, 9976066, 12730040, 14709236, 18386545, 19952132, 21903971, 24940165, 29418472, 36773090, 39904264, 43807942, 49880330, 73546180, 87615884, 99760660, 109519855, 147092360, 175231768, 199521320, 219039710, 438079420, 503791333, 876158840, 1007582666, 2015165332, 2518956665, 4030330664, 5037913330, 10075826660, 20151653320]

約数ペア:

[(1, 20151653320), (2, 10075826660), (4, 5037913330), (5, 4030330664), (8, 2518956665), (10, 2015165332), (20, 1007582666), (23, 876158840), (40, 503791333), (46, 438079420), (92, 219039710), (101, 199521320), (115, 175231768), (137, 147092360), (184, 109519855), (202, 99760660), (230, 87615884), (274, 73546180), (404, 49880330), (460, 43807942), (505, 39904264), (548, 36773090), (685, 29418472), (808, 24940165), (920, 21903971), (1010, 19952132), (1096, 18386545), (1370, 14709236), (1583, 12730040), (2020, 9976066), (2323, 8674840), (2740, 7354618), (3151, 6395320), (3166, 6365020), (4040, 4988033), (4646, 4337420), (5480, 3677309), (6302, 3197660), (6332, 3182510), (7915, 2546008), (9292, 2168710), (11615, 1734968), (12604, 1598830), (12664, 1591255), (13837, 1456360), (15755, 1279064), (15830, 1273004), (18584, 1084355), (23230, 867484), (25208, 799415), (27674, 728180), (31510, 639532), (31660, 636502), (36409, 553480), (46460, 433742), (55348, 364090), (63020, 319766), (63320, 318251), (69185, 291272), (72818, 276740), (92920, 216871), (110696, 182045), (126040, 159883), (138370, 145636)]