212102520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8707}}^1$

素因数の和:8757

約数の個数: 128

約数和(自身を含む): 752371200

約数和(自身を除く): 540268680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2436, 3045, 3480, 4060, 4872, 6090, 8120, 8707, 12180, 17414, 24360, 26121, 34828, 43535, 52242, 60949, 69656, 87070, 104484, 121898, 130605, 174140, 182847, 208968, 243796, 252503, 261210, 304745, 348280, 365694, 487592, 505006, 522420, 609490, 731388, 757509, 914235, 1010012, 1044840, 1218980, 1262515, 1462776, 1515018, 1767521, 1828470, 2020024, 2437960, 2525030, 3030036, 3535042, 3656940, 3787545, 5050060, 5302563, 6060072, 7070084, 7313880, 7575090, 8837605, 10100120, 10605126, 14140168, 15150180, 17675210, 21210252, 26512815, 30300360, 35350420, 42420504, 53025630, 70700840, 106051260, 212102520]

約数ペア:

[(1, 212102520), (2, 106051260), (3, 70700840), (4, 53025630), (5, 42420504), (6, 35350420), (7, 30300360), (8, 26512815), (10, 21210252), (12, 17675210), (14, 15150180), (15, 14140168), (20, 10605126), (21, 10100120), (24, 8837605), (28, 7575090), (29, 7313880), (30, 7070084), (35, 6060072), (40, 5302563), (42, 5050060), (56, 3787545), (58, 3656940), (60, 3535042), (70, 3030036), (84, 2525030), (87, 2437960), (105, 2020024), (116, 1828470), (120, 1767521), (140, 1515018), (145, 1462776), (168, 1262515), (174, 1218980), (203, 1044840), (210, 1010012), (232, 914235), (280, 757509), (290, 731388), (348, 609490), (406, 522420), (420, 505006), (435, 487592), (580, 365694), (609, 348280), (696, 304745), (812, 261210), (840, 252503), (870, 243796), (1015, 208968), (1160, 182847), (1218, 174140), (1624, 130605), (1740, 121898), (2030, 104484), (2436, 87070), (3045, 69656), (3480, 60949), (4060, 52242), (4872, 43535), (6090, 34828), (8120, 26121), (8707, 24360), (12180, 17414)]