68764960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:554

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 110860640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 89, 110, 160, 176, 178, 220, 352, 356, 439, 440, 445, 712, 878, 880, 890, 979, 1424, 1756, 1760, 1780, 1958, 2195, 2848, 3512, 3560, 3916, 4390, 4829, 4895, 7024, 7120, 7832, 8780, 9658, 9790, 14048, 14240, 15664, 17560, 19316, 19580, 24145, 31328, 35120, 38632, 39071, 39160, 48290, 70240, 77264, 78142, 78320, 96580, 154528, 156284, 156640, 193160, 195355, 312568, 386320, 390710, 429781, 625136, 772640, 781420, 859562, 1250272, 1562840, 1719124, 2148905, 3125680, 3438248, 4297810, 6251360, 6876496, 8595620, 13752992, 17191240, 34382480, 68764960]

約数ペア:

[(1, 68764960), (2, 34382480), (4, 17191240), (5, 13752992), (8, 8595620), (10, 6876496), (11, 6251360), (16, 4297810), (20, 3438248), (22, 3125680), (32, 2148905), (40, 1719124), (44, 1562840), (55, 1250272), (80, 859562), (88, 781420), (89, 772640), (110, 625136), (160, 429781), (176, 390710), (178, 386320), (220, 312568), (352, 195355), (356, 193160), (439, 156640), (440, 156284), (445, 154528), (712, 96580), (878, 78320), (880, 78142), (890, 77264), (979, 70240), (1424, 48290), (1756, 39160), (1760, 39071), (1780, 38632), (1958, 35120), (2195, 31328), (2848, 24145), (3512, 19580), (3560, 19316), (3916, 17560), (4390, 15664), (4829, 14240), (4895, 14048), (7024, 9790), (7120, 9658), (7832, 8780)]