19646640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2099}}^1$

素因数の和:2131

約数の個数: 120

約数和(自身を含む): 71089200

約数和(自身を除く): 51442560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2099, 2340, 3120, 4198, 4680, 6297, 8396, 9360, 10495, 12594, 16792, 18891, 20990, 25188, 27287, 31485, 33584, 37782, 41980, 50376, 54574, 62970, 75564, 81861, 83960, 94455, 100752, 109148, 125940, 136435, 151128, 163722, 167920, 188910, 218296, 245583, 251880, 272870, 302256, 327444, 377820, 409305, 436592, 491166, 503760, 545740, 654888, 755640, 818610, 982332, 1091480, 1227915, 1309776, 1511280, 1637220, 1964664, 2182960, 2455830, 3274440, 3929328, 4911660, 6548880, 9823320, 19646640]

約数ペア:

[(1, 19646640), (2, 9823320), (3, 6548880), (4, 4911660), (5, 3929328), (6, 3274440), (8, 2455830), (9, 2182960), (10, 1964664), (12, 1637220), (13, 1511280), (15, 1309776), (16, 1227915), (18, 1091480), (20, 982332), (24, 818610), (26, 755640), (30, 654888), (36, 545740), (39, 503760), (40, 491166), (45, 436592), (48, 409305), (52, 377820), (60, 327444), (65, 302256), (72, 272870), (78, 251880), (80, 245583), (90, 218296), (104, 188910), (117, 167920), (120, 163722), (130, 151128), (144, 136435), (156, 125940), (180, 109148), (195, 100752), (208, 94455), (234, 83960), (240, 81861), (260, 75564), (312, 62970), (360, 54574), (390, 50376), (468, 41980), (520, 37782), (585, 33584), (624, 31485), (720, 27287), (780, 25188), (936, 20990), (1040, 18891), (1170, 16792), (1560, 12594), (1872, 10495), (2099, 9360), (2340, 8396), (3120, 6297), (4198, 4680)]