779590960

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 1846131840

約数和(自身を除く): 1066540880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 293, 316, 395, 421, 586, 632, 790, 842, 1172, 1264, 1465, 1580, 1684, 2105, 2344, 2930, 3160, 3368, 4210, 4688, 5860, 6320, 6736, 8420, 11720, 16840, 23147, 23440, 33259, 33680, 46294, 66518, 92588, 115735, 123353, 133036, 166295, 185176, 231470, 246706, 266072, 332590, 370352, 462940, 493412, 532144, 616765, 665180, 925880, 986824, 1233530, 1330360, 1851760, 1973648, 2467060, 2660720, 4934120, 9744887, 9868240, 19489774, 38979548, 48724435, 77959096, 97448870, 155918192, 194897740, 389795480, 779590960]

約数ペア:

[(1, 779590960), (2, 389795480), (4, 194897740), (5, 155918192), (8, 97448870), (10, 77959096), (16, 48724435), (20, 38979548), (40, 19489774), (79, 9868240), (80, 9744887), (158, 4934120), (293, 2660720), (316, 2467060), (395, 1973648), (421, 1851760), (586, 1330360), (632, 1233530), (790, 986824), (842, 925880), (1172, 665180), (1264, 616765), (1465, 532144), (1580, 493412), (1684, 462940), (2105, 370352), (2344, 332590), (2930, 266072), (3160, 246706), (3368, 231470), (4210, 185176), (4688, 166295), (5860, 133036), (6320, 123353), (6736, 115735), (8420, 92588), (11720, 66518), (16840, 46294), (23147, 33680), (23440, 33259)]