25551720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 86832000

約数和(自身を除く): 61280280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 295, 354, 360, 401, 472, 531, 540, 590, 708, 802, 885, 1062, 1080, 1180, 1203, 1416, 1593, 1604, 1770, 2005, 2124, 2360, 2406, 2655, 3186, 3208, 3540, 3609, 4010, 4248, 4812, 5310, 6015, 6372, 7080, 7218, 7965, 8020, 9624, 10620, 10827, 12030, 12744, 14436, 15930, 16040, 18045, 21240, 21654, 23659, 24060, 28872, 31860, 36090, 43308, 47318, 48120, 54135, 63720, 70977, 72180, 86616, 94636, 108270, 118295, 141954, 144360, 189272, 212931, 216540, 236590, 283908, 354885, 425862, 433080, 473180, 567816, 638793, 709770, 851724, 946360, 1064655, 1277586, 1419540, 1703448, 2129310, 2555172, 2839080, 3193965, 4258620, 5110344, 6387930, 8517240, 12775860, 25551720]

約数ペア:

[(1, 25551720), (2, 12775860), (3, 8517240), (4, 6387930), (5, 5110344), (6, 4258620), (8, 3193965), (9, 2839080), (10, 2555172), (12, 2129310), (15, 1703448), (18, 1419540), (20, 1277586), (24, 1064655), (27, 946360), (30, 851724), (36, 709770), (40, 638793), (45, 567816), (54, 473180), (59, 433080), (60, 425862), (72, 354885), (90, 283908), (108, 236590), (118, 216540), (120, 212931), (135, 189272), (177, 144360), (180, 141954), (216, 118295), (236, 108270), (270, 94636), (295, 86616), (354, 72180), (360, 70977), (401, 63720), (472, 54135), (531, 48120), (540, 47318), (590, 43308), (708, 36090), (802, 31860), (885, 28872), (1062, 24060), (1080, 23659), (1180, 21654), (1203, 21240), (1416, 18045), (1593, 16040), (1604, 15930), (1770, 14436), (2005, 12744), (2124, 12030), (2360, 10827), (2406, 10620), (2655, 9624), (3186, 8020), (3208, 7965), (3540, 7218), (3609, 7080), (4010, 6372), (4248, 6015), (4812, 5310)]