1137780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{43}}^1$

素因数の和:75

約数の個数: 144

約数和(自身を含む): 4213440

約数和(自身を除く): 3075660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 49, 54, 60, 63, 70, 84, 86, 90, 98, 105, 108, 126, 129, 135, 140, 147, 172, 180, 189, 196, 210, 215, 245, 252, 258, 270, 294, 301, 315, 378, 387, 420, 430, 441, 490, 516, 540, 588, 602, 630, 645, 735, 756, 774, 860, 882, 903, 945, 980, 1161, 1204, 1260, 1290, 1323, 1470, 1505, 1548, 1764, 1806, 1890, 1935, 2107, 2205, 2322, 2580, 2646, 2709, 2940, 3010, 3612, 3780, 3870, 4214, 4410, 4515, 4644, 5292, 5418, 5805, 6020, 6321, 6615, 7740, 8127, 8428, 8820, 9030, 10535, 10836, 11610, 12642, 13230, 13545, 16254, 18060, 18963, 21070, 23220, 25284, 26460, 27090, 31605, 32508, 37926, 40635, 42140, 54180, 56889, 63210, 75852, 81270, 94815, 113778, 126420, 162540, 189630, 227556, 284445, 379260, 568890, 1137780]

約数ペア:

[(1, 1137780), (2, 568890), (3, 379260), (4, 284445), (5, 227556), (6, 189630), (7, 162540), (9, 126420), (10, 113778), (12, 94815), (14, 81270), (15, 75852), (18, 63210), (20, 56889), (21, 54180), (27, 42140), (28, 40635), (30, 37926), (35, 32508), (36, 31605), (42, 27090), (43, 26460), (45, 25284), (49, 23220), (54, 21070), (60, 18963), (63, 18060), (70, 16254), (84, 13545), (86, 13230), (90, 12642), (98, 11610), (105, 10836), (108, 10535), (126, 9030), (129, 8820), (135, 8428), (140, 8127), (147, 7740), (172, 6615), (180, 6321), (189, 6020), (196, 5805), (210, 5418), (215, 5292), (245, 4644), (252, 4515), (258, 4410), (270, 4214), (294, 3870), (301, 3780), (315, 3612), (378, 3010), (387, 2940), (420, 2709), (430, 2646), (441, 2580), (490, 2322), (516, 2205), (540, 2107), (588, 1935), (602, 1890), (630, 1806), (645, 1764), (735, 1548), (756, 1505), (774, 1470), (860, 1323), (882, 1290), (903, 1260), (945, 1204), (980, 1161)]