1971480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2347}}^1$

素因数の和:2368

約数の個数: 64

約数和(自身を含む): 6762240

約数和(自身を除く): 4790760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2347, 4694, 7041, 9388, 11735, 14082, 16429, 18776, 23470, 28164, 32858, 35205, 46940, 49287, 56328, 65716, 70410, 82145, 93880, 98574, 131432, 140820, 164290, 197148, 246435, 281640, 328580, 394296, 492870, 657160, 985740, 1971480]

約数ペア:

[(1, 1971480), (2, 985740), (3, 657160), (4, 492870), (5, 394296), (6, 328580), (7, 281640), (8, 246435), (10, 197148), (12, 164290), (14, 140820), (15, 131432), (20, 98574), (21, 93880), (24, 82145), (28, 70410), (30, 65716), (35, 56328), (40, 49287), (42, 46940), (56, 35205), (60, 32858), (70, 28164), (84, 23470), (105, 18776), (120, 16429), (140, 14082), (168, 11735), (210, 9388), (280, 7041), (420, 4694), (840, 2347)]