20200470480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{2521}}^1$

素因数の和:2930

約数の個数: 240

約数和(自身を含む): 70251217920

約数和(自身を除く): 50050747440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 359, 360, 372, 465, 496, 558, 620, 718, 720, 744, 930, 1077, 1116, 1240, 1395, 1436, 1488, 1795, 1860, 2154, 2232, 2480, 2521, 2790, 2872, 3231, 3590, 3720, 4308, 4464, 5042, 5385, 5580, 5744, 6462, 7180, 7440, 7563, 8616, 10084, 10770, 11129, 11160, 12605, 12924, 14360, 15126, 16155, 17232, 20168, 21540, 22258, 22320, 22689, 25210, 25848, 28720, 30252, 32310, 33387, 37815, 40336, 43080, 44516, 45378, 50420, 51696, 55645, 60504, 64620, 66774, 75630, 78151, 86160, 89032, 90756, 100161, 100840, 111290, 113445, 121008, 129240, 133548, 151260, 156302, 166935, 178064, 181512, 200322, 201680, 222580, 226890, 234453, 258480, 267096, 302520, 312604, 333870, 363024, 390755, 400644, 445160, 453780, 468906, 500805, 534192, 605040, 625208, 667740, 703359, 781510, 801288, 890320, 905039, 907560, 937812, 1001610, 1172265, 1250416, 1335480, 1406718, 1563020, 1602576, 1810078, 1815120, 1875624, 2003220, 2344530, 2670960, 2715117, 2813436, 3126040, 3516795, 3620156, 3751248, 4006440, 4525195, 4689060, 5430234, 5626872, 6252080, 7033590, 7240312, 8012880, 8145351, 9050390, 9378120, 10860468, 11253744, 13575585, 14067180, 14480624, 16290702, 18100780, 18756240, 21720936, 27151170, 28056209, 28134360, 32581404, 36201560, 40726755, 43441872, 54302340, 56112418, 56268720, 65162808, 72403120, 81453510, 84168627, 108604680, 112224836, 130325616, 140281045, 162907020, 168337254, 217209360, 224449672, 252505881, 280562090, 325814040, 336674508, 420843135, 448899344, 505011762, 561124180, 651628080, 673349016, 841686270, 1010023524, 1122248360, 1262529405, 1346698032, 1683372540, 2020047048, 2244496720, 2525058810, 3366745080, 4040094096, 5050117620, 6733490160, 10100235240, 20200470480]

約数ペア:

[(1, 20200470480), (2, 10100235240), (3, 6733490160), (4, 5050117620), (5, 4040094096), (6, 3366745080), (8, 2525058810), (9, 2244496720), (10, 2020047048), (12, 1683372540), (15, 1346698032), (16, 1262529405), (18, 1122248360), (20, 1010023524), (24, 841686270), (30, 673349016), (31, 651628080), (36, 561124180), (40, 505011762), (45, 448899344), (48, 420843135), (60, 336674508), (62, 325814040), (72, 280562090), (80, 252505881), (90, 224449672), (93, 217209360), (120, 168337254), (124, 162907020), (144, 140281045), (155, 130325616), (180, 112224836), (186, 108604680), (240, 84168627), (248, 81453510), (279, 72403120), (310, 65162808), (359, 56268720), (360, 56112418), (372, 54302340), (465, 43441872), (496, 40726755), (558, 36201560), (620, 32581404), (718, 28134360), (720, 28056209), (744, 27151170), (930, 21720936), (1077, 18756240), (1116, 18100780), (1240, 16290702), (1395, 14480624), (1436, 14067180), (1488, 13575585), (1795, 11253744), (1860, 10860468), (2154, 9378120), (2232, 9050390), (2480, 8145351), (2521, 8012880), (2790, 7240312), (2872, 7033590), (3231, 6252080), (3590, 5626872), (3720, 5430234), (4308, 4689060), (4464, 4525195), (5042, 4006440), (5385, 3751248), (5580, 3620156), (5744, 3516795), (6462, 3126040), (7180, 2813436), (7440, 2715117), (7563, 2670960), (8616, 2344530), (10084, 2003220), (10770, 1875624), (11129, 1815120), (11160, 1810078), (12605, 1602576), (12924, 1563020), (14360, 1406718), (15126, 1335480), (16155, 1250416), (17232, 1172265), (20168, 1001610), (21540, 937812), (22258, 907560), (22320, 905039), (22689, 890320), (25210, 801288), (25848, 781510), (28720, 703359), (30252, 667740), (32310, 625208), (33387, 605040), (37815, 534192), (40336, 500805), (43080, 468906), (44516, 453780), (45378, 445160), (50420, 400644), (51696, 390755), (55645, 363024), (60504, 333870), (64620, 312604), (66774, 302520), (75630, 267096), (78151, 258480), (86160, 234453), (89032, 226890), (90756, 222580), (100161, 201680), (100840, 200322), (111290, 181512), (113445, 178064), (121008, 166935), (129240, 156302), (133548, 151260)]