30688240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 79744896

約数和(自身を除く): 49056656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 811, 860, 880, 946, 1622, 1720, 1892, 2365, 3244, 3440, 3784, 4055, 4730, 6488, 7568, 8110, 8921, 9460, 12976, 16220, 17842, 18920, 32440, 34873, 35684, 37840, 44605, 64880, 69746, 71368, 89210, 139492, 142736, 174365, 178420, 278984, 348730, 356840, 383603, 557968, 697460, 713680, 767206, 1394920, 1534412, 1918015, 2789840, 3068824, 3836030, 6137648, 7672060, 15344120, 30688240]

約数ペア:

[(1, 30688240), (2, 15344120), (4, 7672060), (5, 6137648), (8, 3836030), (10, 3068824), (11, 2789840), (16, 1918015), (20, 1534412), (22, 1394920), (40, 767206), (43, 713680), (44, 697460), (55, 557968), (80, 383603), (86, 356840), (88, 348730), (110, 278984), (172, 178420), (176, 174365), (215, 142736), (220, 139492), (344, 89210), (430, 71368), (440, 69746), (473, 64880), (688, 44605), (811, 37840), (860, 35684), (880, 34873), (946, 32440), (1622, 18920), (1720, 17842), (1892, 16220), (2365, 12976), (3244, 9460), (3440, 8921), (3784, 8110), (4055, 7568), (4730, 6488)]