68876340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 209139840

約数和(自身を除く): 140263500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 227, 260, 389, 390, 454, 681, 778, 780, 908, 1135, 1167, 1362, 1556, 1945, 2270, 2334, 2724, 2951, 3405, 3890, 4540, 4668, 5057, 5835, 5902, 6810, 7780, 8853, 10114, 11670, 11804, 13620, 14755, 15171, 17706, 20228, 23340, 25285, 29510, 30342, 35412, 44265, 50570, 59020, 60684, 75855, 88303, 88530, 101140, 151710, 176606, 177060, 264909, 303420, 353212, 441515, 529818, 883030, 1059636, 1147939, 1324545, 1766060, 2295878, 2649090, 3443817, 4591756, 5298180, 5739695, 6887634, 11479390, 13775268, 17219085, 22958780, 34438170, 68876340]

約数ペア:

[(1, 68876340), (2, 34438170), (3, 22958780), (4, 17219085), (5, 13775268), (6, 11479390), (10, 6887634), (12, 5739695), (13, 5298180), (15, 4591756), (20, 3443817), (26, 2649090), (30, 2295878), (39, 1766060), (52, 1324545), (60, 1147939), (65, 1059636), (78, 883030), (130, 529818), (156, 441515), (195, 353212), (227, 303420), (260, 264909), (389, 177060), (390, 176606), (454, 151710), (681, 101140), (778, 88530), (780, 88303), (908, 75855), (1135, 60684), (1167, 59020), (1362, 50570), (1556, 44265), (1945, 35412), (2270, 30342), (2334, 29510), (2724, 25285), (2951, 23340), (3405, 20228), (3890, 17706), (4540, 15171), (4668, 14755), (5057, 13620), (5835, 11804), (5902, 11670), (6810, 10114), (7780, 8853)]