87405420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 255467520

約数和(自身を除く): 168062100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 191, 263, 290, 348, 382, 435, 526, 573, 580, 764, 789, 870, 955, 1052, 1146, 1315, 1578, 1740, 1910, 2292, 2630, 2865, 3156, 3820, 3945, 5260, 5539, 5730, 7627, 7890, 11078, 11460, 15254, 15780, 16617, 22156, 22881, 27695, 30508, 33234, 38135, 45762, 50233, 55390, 66468, 76270, 83085, 91524, 100466, 110780, 114405, 150699, 152540, 166170, 200932, 228810, 251165, 301398, 332340, 457620, 502330, 602796, 753495, 1004660, 1456757, 1506990, 2913514, 3013980, 4370271, 5827028, 7283785, 8740542, 14567570, 17481084, 21851355, 29135140, 43702710, 87405420]

約数ペア:

[(1, 87405420), (2, 43702710), (3, 29135140), (4, 21851355), (5, 17481084), (6, 14567570), (10, 8740542), (12, 7283785), (15, 5827028), (20, 4370271), (29, 3013980), (30, 2913514), (58, 1506990), (60, 1456757), (87, 1004660), (116, 753495), (145, 602796), (174, 502330), (191, 457620), (263, 332340), (290, 301398), (348, 251165), (382, 228810), (435, 200932), (526, 166170), (573, 152540), (580, 150699), (764, 114405), (789, 110780), (870, 100466), (955, 91524), (1052, 83085), (1146, 76270), (1315, 66468), (1578, 55390), (1740, 50233), (1910, 45762), (2292, 38135), (2630, 33234), (2865, 30508), (3156, 27695), (3820, 22881), (3945, 22156), (5260, 16617), (5539, 15780), (5730, 15254), (7627, 11460), (7890, 11078)]