8720790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 22982400

約数和(自身を除く): 14261610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 379, 390, 590, 758, 767, 885, 1137, 1534, 1770, 1895, 2274, 2301, 3790, 3835, 4602, 4927, 5685, 7670, 9854, 11370, 11505, 14781, 22361, 23010, 24635, 29562, 44722, 49270, 67083, 73905, 111805, 134166, 147810, 223610, 290693, 335415, 581386, 670830, 872079, 1453465, 1744158, 2906930, 4360395, 8720790]

約数ペア:

[(1, 8720790), (2, 4360395), (3, 2906930), (5, 1744158), (6, 1453465), (10, 872079), (13, 670830), (15, 581386), (26, 335415), (30, 290693), (39, 223610), (59, 147810), (65, 134166), (78, 111805), (118, 73905), (130, 67083), (177, 49270), (195, 44722), (295, 29562), (354, 24635), (379, 23010), (390, 22361), (590, 14781), (758, 11505), (767, 11370), (885, 9854), (1137, 7670), (1534, 5685), (1770, 4927), (1895, 4602), (2274, 3835), (2301, 3790)]