20208642480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{719681}}^1$

素因数の和:719716

約数の個数: 160

約数和(自身を含む): 74962077120

約数和(自身を除く): 54753434640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 28080, 719681, 1439362, 2159043, 2878724, 3598405, 4318086, 5757448, 6477129, 7196810, 8636172, 9355853, 10795215, 11514896, 12954258, 14393620, 17272344, 18711706, 19431387, 21590430, 25908516, 28067559, 28787240, 32385645, 34544688, 37423412, 38862774, 43180860, 46779265, 51817032, 56135118, 57574480, 64771290, 74846824, 77725548, 84202677, 86361720, 93558530, 97156935, 103634064, 112270236, 129542580, 140337795, 149693648, 155451096, 168405354, 172723440, 187117060, 194313870, 224540472, 252608031, 259085160, 280675590, 310902192, 336810708, 374234120, 388627740, 421013385, 449080944, 505216062, 518170320, 561351180, 673621416, 748468240, 777255480, 842026770, 1010432124, 1122702360, 1263040155, 1347242832, 1554510960, 1684053540, 2020864248, 2245404720, 2526080310, 3368107080, 4041728496, 5052160620, 6736214160, 10104321240, 20208642480]

約数ペア:

[(1, 20208642480), (2, 10104321240), (3, 6736214160), (4, 5052160620), (5, 4041728496), (6, 3368107080), (8, 2526080310), (9, 2245404720), (10, 2020864248), (12, 1684053540), (13, 1554510960), (15, 1347242832), (16, 1263040155), (18, 1122702360), (20, 1010432124), (24, 842026770), (26, 777255480), (27, 748468240), (30, 673621416), (36, 561351180), (39, 518170320), (40, 505216062), (45, 449080944), (48, 421013385), (52, 388627740), (54, 374234120), (60, 336810708), (65, 310902192), (72, 280675590), (78, 259085160), (80, 252608031), (90, 224540472), (104, 194313870), (108, 187117060), (117, 172723440), (120, 168405354), (130, 155451096), (135, 149693648), (144, 140337795), (156, 129542580), (180, 112270236), (195, 103634064), (208, 97156935), (216, 93558530), (234, 86361720), (240, 84202677), (260, 77725548), (270, 74846824), (312, 64771290), (351, 57574480), (360, 56135118), (390, 51817032), (432, 46779265), (468, 43180860), (520, 38862774), (540, 37423412), (585, 34544688), (624, 32385645), (702, 28787240), (720, 28067559), (780, 25908516), (936, 21590430), (1040, 19431387), (1080, 18711706), (1170, 17272344), (1404, 14393620), (1560, 12954258), (1755, 11514896), (1872, 10795215), (2160, 9355853), (2340, 8636172), (2808, 7196810), (3120, 6477129), (3510, 5757448), (4680, 4318086), (5616, 3598405), (7020, 2878724), (9360, 2159043), (14040, 1439362), (28080, 719681)]