51718380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6481}}^1$

素因数の和:6519

約数の個数: 96

約数和(自身を含む): 174236160

約数和(自身を除く): 122517780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 6481, 7980, 12962, 19443, 25924, 32405, 38886, 45367, 64810, 77772, 90734, 97215, 123139, 129620, 136101, 181468, 194430, 226835, 246278, 272202, 369417, 388860, 453670, 492556, 544404, 615695, 680505, 738834, 861973, 907340, 1231390, 1361010, 1477668, 1723946, 1847085, 2462780, 2585919, 2722020, 3447892, 3694170, 4309865, 5171838, 7388340, 8619730, 10343676, 12929595, 17239460, 25859190, 51718380]

約数ペア:

[(1, 51718380), (2, 25859190), (3, 17239460), (4, 12929595), (5, 10343676), (6, 8619730), (7, 7388340), (10, 5171838), (12, 4309865), (14, 3694170), (15, 3447892), (19, 2722020), (20, 2585919), (21, 2462780), (28, 1847085), (30, 1723946), (35, 1477668), (38, 1361010), (42, 1231390), (57, 907340), (60, 861973), (70, 738834), (76, 680505), (84, 615695), (95, 544404), (105, 492556), (114, 453670), (133, 388860), (140, 369417), (190, 272202), (210, 246278), (228, 226835), (266, 194430), (285, 181468), (380, 136101), (399, 129620), (420, 123139), (532, 97215), (570, 90734), (665, 77772), (798, 64810), (1140, 45367), (1330, 38886), (1596, 32405), (1995, 25924), (2660, 19443), (3990, 12962), (6481, 7980)]