129772020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1231}}^1$

素因数の和:1501

約数の個数: 96

約数和(自身を含む): 417263616

約数和(自身を除く): 287491596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 502, 753, 1004, 1231, 1255, 1506, 1757, 2462, 2510, 3012, 3514, 3693, 3765, 4924, 5020, 5271, 6155, 7028, 7386, 7530, 8617, 8785, 10542, 12310, 14772, 15060, 17234, 17570, 18465, 21084, 24620, 25851, 26355, 34468, 35140, 36930, 43085, 51702, 52710, 73860, 86170, 103404, 105420, 129255, 172340, 258510, 308981, 517020, 617962, 926943, 1235924, 1544905, 1853886, 2162867, 3089810, 3707772, 4325734, 4634715, 6179620, 6488601, 8651468, 9269430, 10814335, 12977202, 18538860, 21628670, 25954404, 32443005, 43257340, 64886010, 129772020]

約数ペア:

[(1, 129772020), (2, 64886010), (3, 43257340), (4, 32443005), (5, 25954404), (6, 21628670), (7, 18538860), (10, 12977202), (12, 10814335), (14, 9269430), (15, 8651468), (20, 6488601), (21, 6179620), (28, 4634715), (30, 4325734), (35, 3707772), (42, 3089810), (60, 2162867), (70, 1853886), (84, 1544905), (105, 1235924), (140, 926943), (210, 617962), (251, 517020), (420, 308981), (502, 258510), (753, 172340), (1004, 129255), (1231, 105420), (1255, 103404), (1506, 86170), (1757, 73860), (2462, 52710), (2510, 51702), (3012, 43085), (3514, 36930), (3693, 35140), (3765, 34468), (4924, 26355), (5020, 25851), (5271, 24620), (6155, 21084), (7028, 18465), (7386, 17570), (7530, 17234), (8617, 15060), (8785, 14772), (10542, 12310)]