87480640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1284

約数の個数: 112

約数和(自身を含む): 237725712

約数和(自身を除く): 150245072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1237, 1360, 1768, 2080, 2210, 2474, 2720, 3536, 4160, 4420, 4948, 5440, 6185, 7072, 8840, 9896, 12370, 14144, 16081, 17680, 19792, 21029, 24740, 32162, 35360, 39584, 42058, 49480, 64324, 70720, 79168, 80405, 84116, 98960, 105145, 128648, 160810, 168232, 197920, 210290, 257296, 273377, 321620, 336464, 395840, 420580, 514592, 546754, 643240, 672928, 841160, 1029184, 1093508, 1286480, 1345856, 1366885, 1682320, 2187016, 2572960, 2733770, 3364640, 4374032, 5145920, 5467540, 6729280, 8748064, 10935080, 17496128, 21870160, 43740320, 87480640]

約数ペア:

[(1, 87480640), (2, 43740320), (4, 21870160), (5, 17496128), (8, 10935080), (10, 8748064), (13, 6729280), (16, 5467540), (17, 5145920), (20, 4374032), (26, 3364640), (32, 2733770), (34, 2572960), (40, 2187016), (52, 1682320), (64, 1366885), (65, 1345856), (68, 1286480), (80, 1093508), (85, 1029184), (104, 841160), (130, 672928), (136, 643240), (160, 546754), (170, 514592), (208, 420580), (221, 395840), (260, 336464), (272, 321620), (320, 273377), (340, 257296), (416, 210290), (442, 197920), (520, 168232), (544, 160810), (680, 128648), (832, 105145), (884, 98960), (1040, 84116), (1088, 80405), (1105, 79168), (1237, 70720), (1360, 64324), (1768, 49480), (2080, 42058), (2210, 39584), (2474, 35360), (2720, 32162), (3536, 24740), (4160, 21029), (4420, 19792), (4948, 17680), (5440, 16081), (6185, 14144), (7072, 12370), (8840, 9896)]