7531020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 26906880

約数和(自身を除く): 19375860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 139, 140, 172, 180, 210, 215, 252, 258, 278, 301, 315, 387, 417, 420, 430, 516, 556, 602, 630, 645, 695, 774, 834, 860, 903, 973, 1204, 1251, 1260, 1290, 1390, 1505, 1548, 1668, 1806, 1935, 1946, 2085, 2502, 2580, 2709, 2780, 2919, 3010, 3612, 3870, 3892, 4170, 4515, 4865, 5004, 5418, 5838, 5977, 6020, 6255, 7740, 8340, 8757, 9030, 9730, 10836, 11676, 11954, 12510, 13545, 14595, 17514, 17931, 18060, 19460, 23908, 25020, 27090, 29190, 29885, 35028, 35862, 41839, 43785, 53793, 54180, 58380, 59770, 71724, 83678, 87570, 89655, 107586, 119540, 125517, 167356, 175140, 179310, 209195, 215172, 251034, 268965, 358620, 376551, 418390, 502068, 537930, 627585, 753102, 836780, 1075860, 1255170, 1506204, 1882755, 2510340, 3765510, 7531020]

約数ペア:

[(1, 7531020), (2, 3765510), (3, 2510340), (4, 1882755), (5, 1506204), (6, 1255170), (7, 1075860), (9, 836780), (10, 753102), (12, 627585), (14, 537930), (15, 502068), (18, 418390), (20, 376551), (21, 358620), (28, 268965), (30, 251034), (35, 215172), (36, 209195), (42, 179310), (43, 175140), (45, 167356), (60, 125517), (63, 119540), (70, 107586), (84, 89655), (86, 87570), (90, 83678), (105, 71724), (126, 59770), (129, 58380), (139, 54180), (140, 53793), (172, 43785), (180, 41839), (210, 35862), (215, 35028), (252, 29885), (258, 29190), (278, 27090), (301, 25020), (315, 23908), (387, 19460), (417, 18060), (420, 17931), (430, 17514), (516, 14595), (556, 13545), (602, 12510), (630, 11954), (645, 11676), (695, 10836), (774, 9730), (834, 9030), (860, 8757), (903, 8340), (973, 7740), (1204, 6255), (1251, 6020), (1260, 5977), (1290, 5838), (1390, 5418), (1505, 5004), (1548, 4865), (1668, 4515), (1806, 4170), (1935, 3892), (1946, 3870), (2085, 3612), (2502, 3010), (2580, 2919), (2709, 2780)]