168376040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{953}}^1$

素因数の和:1602

約数の個数: 64

約数和(自身を含む): 434108160

約数和(自身を除く): 265732120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 631, 953, 1262, 1906, 2524, 3155, 3812, 4417, 4765, 5048, 6310, 6671, 7624, 8834, 9530, 12620, 13342, 17668, 19060, 22085, 25240, 26684, 33355, 35336, 38120, 44170, 53368, 66710, 88340, 133420, 176680, 266840, 601343, 1202686, 2405372, 3006715, 4209401, 4810744, 6013430, 8418802, 12026860, 16837604, 21047005, 24053720, 33675208, 42094010, 84188020, 168376040]

約数ペア:

[(1, 168376040), (2, 84188020), (4, 42094010), (5, 33675208), (7, 24053720), (8, 21047005), (10, 16837604), (14, 12026860), (20, 8418802), (28, 6013430), (35, 4810744), (40, 4209401), (56, 3006715), (70, 2405372), (140, 1202686), (280, 601343), (631, 266840), (953, 176680), (1262, 133420), (1906, 88340), (2524, 66710), (3155, 53368), (3812, 44170), (4417, 38120), (4765, 35336), (5048, 33355), (6310, 26684), (6671, 25240), (7624, 22085), (8834, 19060), (9530, 17668), (12620, 13342)]