81948780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5233}}^1$

素因数の和:5280

約数の個数: 96

約数和(自身を含む): 263793600

約数和(自身を除く): 181844820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1566, 1740, 2610, 3132, 3915, 5220, 5233, 7830, 10466, 15660, 15699, 20932, 26165, 31398, 47097, 52330, 62796, 78495, 94194, 104660, 141291, 151757, 156990, 188388, 235485, 282582, 303514, 313980, 455271, 470970, 565164, 607028, 706455, 758785, 910542, 941940, 1365813, 1412910, 1517570, 1821084, 2276355, 2731626, 2825820, 3035140, 4097439, 4552710, 5463252, 6829065, 8194878, 9105420, 13658130, 16389756, 20487195, 27316260, 40974390, 81948780]

約数ペア:

[(1, 81948780), (2, 40974390), (3, 27316260), (4, 20487195), (5, 16389756), (6, 13658130), (9, 9105420), (10, 8194878), (12, 6829065), (15, 5463252), (18, 4552710), (20, 4097439), (27, 3035140), (29, 2825820), (30, 2731626), (36, 2276355), (45, 1821084), (54, 1517570), (58, 1412910), (60, 1365813), (87, 941940), (90, 910542), (108, 758785), (116, 706455), (135, 607028), (145, 565164), (174, 470970), (180, 455271), (261, 313980), (270, 303514), (290, 282582), (348, 235485), (435, 188388), (522, 156990), (540, 151757), (580, 141291), (783, 104660), (870, 94194), (1044, 78495), (1305, 62796), (1566, 52330), (1740, 47097), (2610, 31398), (3132, 26165), (3915, 20932), (5220, 15699), (5233, 15660), (7830, 10466)]