1271480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 3456000

約数和(自身を除く): 2184520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 239, 266, 280, 380, 478, 532, 665, 760, 956, 1064, 1195, 1330, 1673, 1912, 2390, 2660, 3346, 4541, 4780, 5320, 6692, 8365, 9082, 9560, 13384, 16730, 18164, 22705, 31787, 33460, 36328, 45410, 63574, 66920, 90820, 127148, 158935, 181640, 254296, 317870, 635740, 1271480]

約数ペア:

[(1, 1271480), (2, 635740), (4, 317870), (5, 254296), (7, 181640), (8, 158935), (10, 127148), (14, 90820), (19, 66920), (20, 63574), (28, 45410), (35, 36328), (38, 33460), (40, 31787), (56, 22705), (70, 18164), (76, 16730), (95, 13384), (133, 9560), (140, 9082), (152, 8365), (190, 6692), (239, 5320), (266, 4780), (280, 4541), (380, 3346), (478, 2660), (532, 2390), (665, 1912), (760, 1673), (956, 1330), (1064, 1195)]