81748680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 276696000

約数和(自身を除く): 194947320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 139, 145, 156, 169, 174, 195, 232, 260, 278, 290, 312, 338, 348, 377, 390, 417, 435, 507, 520, 556, 580, 676, 695, 696, 754, 780, 834, 845, 870, 1014, 1112, 1131, 1160, 1352, 1390, 1508, 1560, 1668, 1690, 1740, 1807, 1885, 2028, 2085, 2262, 2535, 2780, 3016, 3336, 3380, 3480, 3614, 3770, 4031, 4056, 4170, 4524, 4901, 5070, 5421, 5560, 5655, 6760, 7228, 7540, 8062, 8340, 9035, 9048, 9802, 10140, 10842, 11310, 12093, 14456, 14703, 15080, 16124, 16680, 18070, 19604, 20155, 20280, 21684, 22620, 23491, 24186, 24505, 27105, 29406, 32248, 36140, 39208, 40310, 43368, 45240, 46982, 48372, 49010, 52403, 54210, 58812, 60465, 70473, 72280, 73515, 80620, 93964, 96744, 98020, 104806, 108420, 117455, 117624, 120930, 140946, 147030, 157209, 161240, 187928, 196040, 209612, 216840, 234910, 241860, 262015, 281892, 294060, 314418, 352365, 419224, 469820, 483720, 524030, 563784, 588120, 628836, 681239, 704730, 786045, 939640, 1048060, 1257672, 1362478, 1409460, 1572090, 2043717, 2096120, 2724956, 2818920, 3144180, 3406195, 4087434, 5449912, 6288360, 6812390, 8174868, 10218585, 13624780, 16349736, 20437170, 27249560, 40874340, 81748680]

約数ペア:

[(1, 81748680), (2, 40874340), (3, 27249560), (4, 20437170), (5, 16349736), (6, 13624780), (8, 10218585), (10, 8174868), (12, 6812390), (13, 6288360), (15, 5449912), (20, 4087434), (24, 3406195), (26, 3144180), (29, 2818920), (30, 2724956), (39, 2096120), (40, 2043717), (52, 1572090), (58, 1409460), (60, 1362478), (65, 1257672), (78, 1048060), (87, 939640), (104, 786045), (116, 704730), (120, 681239), (130, 628836), (139, 588120), (145, 563784), (156, 524030), (169, 483720), (174, 469820), (195, 419224), (232, 352365), (260, 314418), (278, 294060), (290, 281892), (312, 262015), (338, 241860), (348, 234910), (377, 216840), (390, 209612), (417, 196040), (435, 187928), (507, 161240), (520, 157209), (556, 147030), (580, 140946), (676, 120930), (695, 117624), (696, 117455), (754, 108420), (780, 104806), (834, 98020), (845, 96744), (870, 93964), (1014, 80620), (1112, 73515), (1131, 72280), (1160, 70473), (1352, 60465), (1390, 58812), (1508, 54210), (1560, 52403), (1668, 49010), (1690, 48372), (1740, 46982), (1807, 45240), (1885, 43368), (2028, 40310), (2085, 39208), (2262, 36140), (2535, 32248), (2780, 29406), (3016, 27105), (3336, 24505), (3380, 24186), (3480, 23491), (3614, 22620), (3770, 21684), (4031, 20280), (4056, 20155), (4170, 19604), (4524, 18070), (4901, 16680), (5070, 16124), (5421, 15080), (5560, 14703), (5655, 14456), (6760, 12093), (7228, 11310), (7540, 10842), (8062, 10140), (8340, 9802), (9035, 9048)]