20516795280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{252173}}^1$

素因数の和:252305

約数の個数: 120

約数和(自身を含む): 69512267448

約数和(自身を除く): 48995472168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 240, 339, 360, 452, 565, 678, 720, 904, 1017, 1130, 1356, 1695, 1808, 2034, 2260, 2712, 3390, 4068, 4520, 5085, 5424, 6780, 8136, 9040, 10170, 13560, 16272, 20340, 27120, 40680, 81360, 252173, 504346, 756519, 1008692, 1260865, 1513038, 2017384, 2269557, 2521730, 3026076, 3782595, 4034768, 4539114, 5043460, 6052152, 7565190, 9078228, 10086920, 11347785, 12104304, 15130380, 18156456, 20173840, 22695570, 28495549, 30260760, 36312912, 45391140, 56991098, 60521520, 85486647, 90782280, 113982196, 142477745, 170973294, 181564560, 227964392, 256459941, 284955490, 341946588, 427433235, 455928784, 512919882, 569910980, 683893176, 854866470, 1025839764, 1139821960, 1282299705, 1367786352, 1709732940, 2051679528, 2279643920, 2564599410, 3419465880, 4103359056, 5129198820, 6838931760, 10258397640, 20516795280]

約数ペア:

[(1, 20516795280), (2, 10258397640), (3, 6838931760), (4, 5129198820), (5, 4103359056), (6, 3419465880), (8, 2564599410), (9, 2279643920), (10, 2051679528), (12, 1709732940), (15, 1367786352), (16, 1282299705), (18, 1139821960), (20, 1025839764), (24, 854866470), (30, 683893176), (36, 569910980), (40, 512919882), (45, 455928784), (48, 427433235), (60, 341946588), (72, 284955490), (80, 256459941), (90, 227964392), (113, 181564560), (120, 170973294), (144, 142477745), (180, 113982196), (226, 90782280), (240, 85486647), (339, 60521520), (360, 56991098), (452, 45391140), (565, 36312912), (678, 30260760), (720, 28495549), (904, 22695570), (1017, 20173840), (1130, 18156456), (1356, 15130380), (1695, 12104304), (1808, 11347785), (2034, 10086920), (2260, 9078228), (2712, 7565190), (3390, 6052152), (4068, 5043460), (4520, 4539114), (5085, 4034768), (5424, 3782595), (6780, 3026076), (8136, 2521730), (9040, 2269557), (10170, 2017384), (13560, 1513038), (16272, 1260865), (20340, 1008692), (27120, 756519), (40680, 504346), (81360, 252173)]