68957840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6481}}^1$

素因数の和:6520

約数の個数: 80

約数和(自身を含む): 192904320

約数和(自身を除く): 123946480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 6481, 10640, 12962, 25924, 32405, 45367, 51848, 64810, 90734, 103696, 123139, 129620, 181468, 226835, 246278, 259240, 362936, 453670, 492556, 518480, 615695, 725872, 861973, 907340, 985112, 1231390, 1723946, 1814680, 1970224, 2462780, 3447892, 3629360, 4309865, 4925560, 6895784, 8619730, 9851120, 13791568, 17239460, 34478920, 68957840]

約数ペア:

[(1, 68957840), (2, 34478920), (4, 17239460), (5, 13791568), (7, 9851120), (8, 8619730), (10, 6895784), (14, 4925560), (16, 4309865), (19, 3629360), (20, 3447892), (28, 2462780), (35, 1970224), (38, 1814680), (40, 1723946), (56, 1231390), (70, 985112), (76, 907340), (80, 861973), (95, 725872), (112, 615695), (133, 518480), (140, 492556), (152, 453670), (190, 362936), (266, 259240), (280, 246278), (304, 226835), (380, 181468), (532, 129620), (560, 123139), (665, 103696), (760, 90734), (1064, 64810), (1330, 51848), (1520, 45367), (2128, 32405), (2660, 25924), (5320, 12962), (6481, 10640)]