1806927720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:820

約数の個数: 192

約数和(自身を含む): 5921294400

約数和(自身を除く): 4114366680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 139, 156, 169, 195, 260, 278, 312, 338, 390, 417, 507, 520, 556, 641, 676, 695, 780, 834, 845, 1014, 1112, 1282, 1352, 1390, 1560, 1668, 1690, 1807, 1923, 2028, 2085, 2535, 2564, 2780, 3205, 3336, 3380, 3614, 3846, 4056, 4170, 5070, 5128, 5421, 5560, 6410, 6760, 7228, 7692, 8333, 8340, 9035, 9615, 10140, 10842, 12820, 14456, 15384, 16666, 16680, 18070, 19230, 20280, 21684, 23491, 24999, 25640, 27105, 33332, 36140, 38460, 41665, 43368, 46982, 49998, 54210, 66664, 70473, 72280, 76920, 83330, 89099, 93964, 99996, 108329, 108420, 117455, 124995, 140946, 166660, 178198, 187928, 199992, 216658, 216840, 234910, 249990, 267297, 281892, 324987, 333320, 352365, 356396, 433316, 445495, 469820, 499980, 534594, 541645, 563784, 649974, 704730, 712792, 866632, 890990, 939640, 999960, 1069188, 1083290, 1158287, 1299948, 1336485, 1409460, 1624935, 1781980, 2138376, 2166580, 2316574, 2599896, 2672970, 2818920, 3249870, 3474861, 3563960, 4333160, 4633148, 5345940, 5791435, 6499740, 6949722, 9266296, 10691880, 11582870, 12999480, 13899444, 15057731, 17374305, 23165740, 27798888, 30115462, 34748610, 45173193, 46331480, 60230924, 69497220, 75288655, 90346386, 120461848, 138994440, 150577310, 180692772, 225865965, 301154620, 361385544, 451731930, 602309240, 903463860, 1806927720]

約数ペア:

[(1, 1806927720), (2, 903463860), (3, 602309240), (4, 451731930), (5, 361385544), (6, 301154620), (8, 225865965), (10, 180692772), (12, 150577310), (13, 138994440), (15, 120461848), (20, 90346386), (24, 75288655), (26, 69497220), (30, 60230924), (39, 46331480), (40, 45173193), (52, 34748610), (60, 30115462), (65, 27798888), (78, 23165740), (104, 17374305), (120, 15057731), (130, 13899444), (139, 12999480), (156, 11582870), (169, 10691880), (195, 9266296), (260, 6949722), (278, 6499740), (312, 5791435), (338, 5345940), (390, 4633148), (417, 4333160), (507, 3563960), (520, 3474861), (556, 3249870), (641, 2818920), (676, 2672970), (695, 2599896), (780, 2316574), (834, 2166580), (845, 2138376), (1014, 1781980), (1112, 1624935), (1282, 1409460), (1352, 1336485), (1390, 1299948), (1560, 1158287), (1668, 1083290), (1690, 1069188), (1807, 999960), (1923, 939640), (2028, 890990), (2085, 866632), (2535, 712792), (2564, 704730), (2780, 649974), (3205, 563784), (3336, 541645), (3380, 534594), (3614, 499980), (3846, 469820), (4056, 445495), (4170, 433316), (5070, 356396), (5128, 352365), (5421, 333320), (5560, 324987), (6410, 281892), (6760, 267297), (7228, 249990), (7692, 234910), (8333, 216840), (8340, 216658), (9035, 199992), (9615, 187928), (10140, 178198), (10842, 166660), (12820, 140946), (14456, 124995), (15384, 117455), (16666, 108420), (16680, 108329), (18070, 99996), (19230, 93964), (20280, 89099), (21684, 83330), (23491, 76920), (24999, 72280), (25640, 70473), (27105, 66664), (33332, 54210), (36140, 49998), (38460, 46982), (41665, 43368)]