2018728680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{1289}}^1$

素因数の和:1755

約数の個数: 128

約数和(自身を含む): 6271257600

約数和(自身を除く): 4252528920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 421, 465, 620, 744, 842, 930, 1240, 1263, 1289, 1684, 1860, 2105, 2526, 2578, 3368, 3720, 3867, 4210, 5052, 5156, 6315, 6445, 7734, 8420, 10104, 10312, 12630, 12890, 13051, 15468, 16840, 19335, 25260, 25780, 26102, 30936, 38670, 39153, 39959, 50520, 51560, 52204, 65255, 77340, 78306, 79918, 104408, 119877, 130510, 154680, 156612, 159836, 195765, 199795, 239754, 261020, 313224, 319672, 391530, 399590, 479508, 522040, 542669, 599385, 783060, 799180, 959016, 1085338, 1198770, 1566120, 1598360, 1628007, 2170676, 2397540, 2713345, 3256014, 4341352, 4795080, 5426690, 6512028, 8140035, 10853380, 13024056, 16280070, 16822739, 21706760, 32560140, 33645478, 50468217, 65120280, 67290956, 84113695, 100936434, 134581912, 168227390, 201872868, 252341085, 336454780, 403745736, 504682170, 672909560, 1009364340, 2018728680]

約数ペア:

[(1, 2018728680), (2, 1009364340), (3, 672909560), (4, 504682170), (5, 403745736), (6, 336454780), (8, 252341085), (10, 201872868), (12, 168227390), (15, 134581912), (20, 100936434), (24, 84113695), (30, 67290956), (31, 65120280), (40, 50468217), (60, 33645478), (62, 32560140), (93, 21706760), (120, 16822739), (124, 16280070), (155, 13024056), (186, 10853380), (248, 8140035), (310, 6512028), (372, 5426690), (421, 4795080), (465, 4341352), (620, 3256014), (744, 2713345), (842, 2397540), (930, 2170676), (1240, 1628007), (1263, 1598360), (1289, 1566120), (1684, 1198770), (1860, 1085338), (2105, 959016), (2526, 799180), (2578, 783060), (3368, 599385), (3720, 542669), (3867, 522040), (4210, 479508), (5052, 399590), (5156, 391530), (6315, 319672), (6445, 313224), (7734, 261020), (8420, 239754), (10104, 199795), (10312, 195765), (12630, 159836), (12890, 156612), (13051, 154680), (15468, 130510), (16840, 119877), (19335, 104408), (25260, 79918), (25780, 78306), (26102, 77340), (30936, 65255), (38670, 52204), (39153, 51560), (39959, 50520)]