20901943440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{133781}}^1$

素因数の和:133838

約数の個数: 240

約数和(自身を含む): 82812128256

約数和(自身を除く): 61910184816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8680, 9765, 10416, 11160, 13020, 15624, 17360, 19530, 22320, 26040, 31248, 39060, 52080, 78120, 133781, 156240, 267562, 401343, 535124, 668905, 802686, 936467, 1070248, 1204029, 1337810, 1605372, 1872934, 2006715, 2140496, 2408058, 2675620, 2809401, 3210744, 3745868, 4013430, 4147211, 4682335, 4816116, 5351240, 5618802, 6020145, 6421488, 7491736, 8026860, 8294422, 8428203, 9364670, 9632232, 10702480, 11237604, 12040290, 12441633, 14047005, 14983472, 16053720, 16588844, 16856406, 18729340, 19264464, 20736055, 22475208, 24080580, 24883266, 28094010, 29030477, 32107440, 33177688, 33712812, 37324899, 37458680, 41472110, 42141015, 44950416, 48161160, 49766532, 56188020, 58060954, 62208165, 66355376, 67425624, 74649798, 74917360, 82944220, 84282030, 87091431, 96322320, 99533064, 112376040, 116121908, 124416330, 134851248, 145152385, 149299596, 165888440, 168564060, 174182862, 186624495, 199066128, 224752080, 232243816, 248832660, 261274293, 290304770, 298599192, 331776880, 337128120, 348365724, 373248990, 435457155, 464487632, 497665320, 522548586, 580609540, 597198384, 674256240, 696731448, 746497980, 870914310, 995330640, 1045097172, 1161219080, 1306371465, 1393462896, 1492995960, 1741828620, 2090194344, 2322438160, 2612742930, 2985991920, 3483657240, 4180388688, 5225485860, 6967314480, 10450971720, 20901943440]

約数ペア:

[(1, 20901943440), (2, 10450971720), (3, 6967314480), (4, 5225485860), (5, 4180388688), (6, 3483657240), (7, 2985991920), (8, 2612742930), (9, 2322438160), (10, 2090194344), (12, 1741828620), (14, 1492995960), (15, 1393462896), (16, 1306371465), (18, 1161219080), (20, 1045097172), (21, 995330640), (24, 870914310), (28, 746497980), (30, 696731448), (31, 674256240), (35, 597198384), (36, 580609540), (40, 522548586), (42, 497665320), (45, 464487632), (48, 435457155), (56, 373248990), (60, 348365724), (62, 337128120), (63, 331776880), (70, 298599192), (72, 290304770), (80, 261274293), (84, 248832660), (90, 232243816), (93, 224752080), (105, 199066128), (112, 186624495), (120, 174182862), (124, 168564060), (126, 165888440), (140, 149299596), (144, 145152385), (155, 134851248), (168, 124416330), (180, 116121908), (186, 112376040), (210, 99533064), (217, 96322320), (240, 87091431), (248, 84282030), (252, 82944220), (279, 74917360), (280, 74649798), (310, 67425624), (315, 66355376), (336, 62208165), (360, 58060954), (372, 56188020), (420, 49766532), (434, 48161160), (465, 44950416), (496, 42141015), (504, 41472110), (558, 37458680), (560, 37324899), (620, 33712812), (630, 33177688), (651, 32107440), (720, 29030477), (744, 28094010), (840, 24883266), (868, 24080580), (930, 22475208), (1008, 20736055), (1085, 19264464), (1116, 18729340), (1240, 16856406), (1260, 16588844), (1302, 16053720), (1395, 14983472), (1488, 14047005), (1680, 12441633), (1736, 12040290), (1860, 11237604), (1953, 10702480), (2170, 9632232), (2232, 9364670), (2480, 8428203), (2520, 8294422), (2604, 8026860), (2790, 7491736), (3255, 6421488), (3472, 6020145), (3720, 5618802), (3906, 5351240), (4340, 4816116), (4464, 4682335), (5040, 4147211), (5208, 4013430), (5580, 3745868), (6510, 3210744), (7440, 2809401), (7812, 2675620), (8680, 2408058), (9765, 2140496), (10416, 2006715), (11160, 1872934), (13020, 1605372), (15624, 1337810), (17360, 1204029), (19530, 1070248), (22320, 936467), (26040, 802686), (31248, 668905), (39060, 535124), (52080, 401343), (78120, 267562), (133781, 156240)]