68905440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 144

約数和(自身を含む): 237837600

約数和(自身を除く): 168932160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 439, 480, 545, 654, 720, 872, 878, 981, 1090, 1308, 1317, 1440, 1635, 1744, 1756, 1962, 2180, 2195, 2616, 2634, 3270, 3488, 3512, 3924, 3951, 4360, 4390, 4905, 5232, 5268, 6540, 6585, 7024, 7848, 7902, 8720, 8780, 9810, 10464, 10536, 13080, 13170, 14048, 15696, 15804, 17440, 17560, 19620, 19755, 21072, 26160, 26340, 31392, 31608, 35120, 39240, 39510, 42144, 47851, 52320, 52680, 63216, 70240, 78480, 79020, 95702, 105360, 126432, 143553, 156960, 158040, 191404, 210720, 239255, 287106, 316080, 382808, 430659, 478510, 574212, 632160, 717765, 765616, 861318, 957020, 1148424, 1435530, 1531232, 1722636, 1914040, 2153295, 2296848, 2871060, 3445272, 3828080, 4306590, 4593696, 5742120, 6890544, 7656160, 8613180, 11484240, 13781088, 17226360, 22968480, 34452720, 68905440]

約数ペア:

[(1, 68905440), (2, 34452720), (3, 22968480), (4, 17226360), (5, 13781088), (6, 11484240), (8, 8613180), (9, 7656160), (10, 6890544), (12, 5742120), (15, 4593696), (16, 4306590), (18, 3828080), (20, 3445272), (24, 2871060), (30, 2296848), (32, 2153295), (36, 1914040), (40, 1722636), (45, 1531232), (48, 1435530), (60, 1148424), (72, 957020), (80, 861318), (90, 765616), (96, 717765), (109, 632160), (120, 574212), (144, 478510), (160, 430659), (180, 382808), (218, 316080), (240, 287106), (288, 239255), (327, 210720), (360, 191404), (436, 158040), (439, 156960), (480, 143553), (545, 126432), (654, 105360), (720, 95702), (872, 79020), (878, 78480), (981, 70240), (1090, 63216), (1308, 52680), (1317, 52320), (1440, 47851), (1635, 42144), (1744, 39510), (1756, 39240), (1962, 35120), (2180, 31608), (2195, 31392), (2616, 26340), (2634, 26160), (3270, 21072), (3488, 19755), (3512, 19620), (3924, 17560), (3951, 17440), (4360, 15804), (4390, 15696), (4905, 14048), (5232, 13170), (5268, 13080), (6540, 10536), (6585, 10464), (7024, 9810), (7848, 8780), (7902, 8720)]