1919989920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1361}}^1\times {\mathrm{2939}}^1$

素因数の和:4318

約数の個数: 96

約数和(自身を含む): 6054471360

約数和(自身を除く): 4134481440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 1361, 2722, 2939, 4083, 5444, 5878, 6805, 8166, 8817, 10888, 11756, 13610, 14695, 16332, 17634, 20415, 21776, 23512, 27220, 29390, 32664, 35268, 40830, 43552, 44085, 47024, 54440, 58780, 65328, 70536, 81660, 88170, 94048, 108880, 117560, 130656, 141072, 163320, 176340, 217760, 235120, 282144, 326640, 352680, 470240, 653280, 705360, 1410720, 3999979, 7999958, 11999937, 15999916, 19999895, 23999874, 31999832, 39999790, 47999748, 59999685, 63999664, 79999580, 95999496, 119999370, 127999328, 159999160, 191998992, 239998740, 319998320, 383997984, 479997480, 639996640, 959994960, 1919989920]

約数ペア:

[(1, 1919989920), (2, 959994960), (3, 639996640), (4, 479997480), (5, 383997984), (6, 319998320), (8, 239998740), (10, 191998992), (12, 159999160), (15, 127999328), (16, 119999370), (20, 95999496), (24, 79999580), (30, 63999664), (32, 59999685), (40, 47999748), (48, 39999790), (60, 31999832), (80, 23999874), (96, 19999895), (120, 15999916), (160, 11999937), (240, 7999958), (480, 3999979), (1361, 1410720), (2722, 705360), (2939, 653280), (4083, 470240), (5444, 352680), (5878, 326640), (6805, 282144), (8166, 235120), (8817, 217760), (10888, 176340), (11756, 163320), (13610, 141072), (14695, 130656), (16332, 117560), (17634, 108880), (20415, 94048), (21776, 88170), (23512, 81660), (27220, 70536), (29390, 65328), (32664, 58780), (35268, 54440), (40830, 47024), (43552, 44085)]