80865540

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{2377}}^1$

素因数の和:2408

約数の個数: 144

約数和(自身を含む): 290838912

約数和(自身を除く): 209973372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2377, 2430, 2835, 3402, 3780, 4754, 4860, 5670, 6804, 7131, 8505, 9508, 11340, 11885, 14262, 16639, 17010, 21393, 23770, 28524, 33278, 34020, 35655, 42786, 47540, 49917, 64179, 66556, 71310, 83195, 85572, 99834, 106965, 128358, 142620, 149751, 166390, 192537, 199668, 213930, 249585, 256716, 299502, 320895, 332780, 385074, 427860, 449253, 499170, 577611, 599004, 641790, 748755, 770148, 898506, 962685, 998340, 1155222, 1283580, 1347759, 1497510, 1797012, 1925370, 2246265, 2310444, 2695518, 2888055, 2995020, 3850740, 4043277, 4492530, 5391036, 5776110, 6738795, 8086554, 8985060, 11552220, 13477590, 16173108, 20216385, 26955180, 40432770, 80865540]

約数ペア:

[(1, 80865540), (2, 40432770), (3, 26955180), (4, 20216385), (5, 16173108), (6, 13477590), (7, 11552220), (9, 8985060), (10, 8086554), (12, 6738795), (14, 5776110), (15, 5391036), (18, 4492530), (20, 4043277), (21, 3850740), (27, 2995020), (28, 2888055), (30, 2695518), (35, 2310444), (36, 2246265), (42, 1925370), (45, 1797012), (54, 1497510), (60, 1347759), (63, 1283580), (70, 1155222), (81, 998340), (84, 962685), (90, 898506), (105, 770148), (108, 748755), (126, 641790), (135, 599004), (140, 577611), (162, 499170), (180, 449253), (189, 427860), (210, 385074), (243, 332780), (252, 320895), (270, 299502), (315, 256716), (324, 249585), (378, 213930), (405, 199668), (420, 192537), (486, 166390), (540, 149751), (567, 142620), (630, 128358), (756, 106965), (810, 99834), (945, 85572), (972, 83195), (1134, 71310), (1215, 66556), (1260, 64179), (1620, 49917), (1701, 47540), (1890, 42786), (2268, 35655), (2377, 34020), (2430, 33278), (2835, 28524), (3402, 23770), (3780, 21393), (4754, 17010), (4860, 16639), (5670, 14262), (6804, 11885), (7131, 11340), (8505, 9508)]