78786320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 192815040

約数和(自身を除く): 114028720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 592, 619, 688, 740, 860, 1238, 1480, 1591, 1720, 2476, 2960, 3095, 3182, 3440, 4952, 6190, 6364, 7955, 9904, 12380, 12728, 15910, 22903, 24760, 25456, 26617, 31820, 45806, 49520, 53234, 63640, 91612, 106468, 114515, 127280, 133085, 183224, 212936, 229030, 266170, 366448, 425872, 458060, 532340, 916120, 984829, 1064680, 1832240, 1969658, 2129360, 3939316, 4924145, 7878632, 9848290, 15757264, 19696580, 39393160, 78786320]

約数ペア:

[(1, 78786320), (2, 39393160), (4, 19696580), (5, 15757264), (8, 9848290), (10, 7878632), (16, 4924145), (20, 3939316), (37, 2129360), (40, 1969658), (43, 1832240), (74, 1064680), (80, 984829), (86, 916120), (148, 532340), (172, 458060), (185, 425872), (215, 366448), (296, 266170), (344, 229030), (370, 212936), (430, 183224), (592, 133085), (619, 127280), (688, 114515), (740, 106468), (860, 91612), (1238, 63640), (1480, 53234), (1591, 49520), (1720, 45806), (2476, 31820), (2960, 26617), (3095, 25456), (3182, 24760), (3440, 22903), (4952, 15910), (6190, 12728), (6364, 12380), (7955, 9904)]