212141580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1308

約数の個数: 144

約数和(自身を含む): 703261440

約数和(自身を除く): 491119860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 59, 60, 70, 84, 98, 105, 118, 140, 147, 177, 196, 210, 236, 245, 294, 295, 354, 413, 420, 490, 588, 590, 708, 735, 826, 885, 980, 1180, 1223, 1239, 1470, 1652, 1770, 2065, 2446, 2478, 2891, 2940, 3540, 3669, 4130, 4892, 4956, 5782, 6115, 6195, 7338, 8260, 8561, 8673, 11564, 12230, 12390, 14455, 14676, 17122, 17346, 18345, 24460, 24780, 25683, 28910, 34244, 34692, 36690, 42805, 43365, 51366, 57820, 59927, 72157, 73380, 85610, 86730, 102732, 119854, 128415, 144314, 171220, 173460, 179781, 216471, 239708, 256830, 288628, 299635, 359562, 360785, 432942, 505099, 513660, 599270, 719124, 721570, 865884, 898905, 1010198, 1082355, 1198540, 1443140, 1515297, 1797810, 2020396, 2164710, 2525495, 3030594, 3535693, 3595620, 4329420, 5050990, 6061188, 7071386, 7576485, 10101980, 10607079, 14142772, 15152970, 17678465, 21214158, 30305940, 35356930, 42428316, 53035395, 70713860, 106070790, 212141580]

約数ペア:

[(1, 212141580), (2, 106070790), (3, 70713860), (4, 53035395), (5, 42428316), (6, 35356930), (7, 30305940), (10, 21214158), (12, 17678465), (14, 15152970), (15, 14142772), (20, 10607079), (21, 10101980), (28, 7576485), (30, 7071386), (35, 6061188), (42, 5050990), (49, 4329420), (59, 3595620), (60, 3535693), (70, 3030594), (84, 2525495), (98, 2164710), (105, 2020396), (118, 1797810), (140, 1515297), (147, 1443140), (177, 1198540), (196, 1082355), (210, 1010198), (236, 898905), (245, 865884), (294, 721570), (295, 719124), (354, 599270), (413, 513660), (420, 505099), (490, 432942), (588, 360785), (590, 359562), (708, 299635), (735, 288628), (826, 256830), (885, 239708), (980, 216471), (1180, 179781), (1223, 173460), (1239, 171220), (1470, 144314), (1652, 128415), (1770, 119854), (2065, 102732), (2446, 86730), (2478, 85610), (2891, 73380), (2940, 72157), (3540, 59927), (3669, 57820), (4130, 51366), (4892, 43365), (4956, 42805), (5782, 36690), (6115, 34692), (6195, 34244), (7338, 28910), (8260, 25683), (8561, 24780), (8673, 24460), (11564, 18345), (12230, 17346), (12390, 17122), (14455, 14676)]