2561970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 6635520

約数和(自身を除く): 4073550

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 47, 69, 79, 94, 115, 138, 141, 158, 230, 235, 237, 282, 345, 395, 470, 474, 690, 705, 790, 1081, 1185, 1410, 1817, 2162, 2370, 3243, 3634, 3713, 5405, 5451, 6486, 7426, 9085, 10810, 10902, 11139, 16215, 18170, 18565, 22278, 27255, 32430, 37130, 54510, 55695, 85399, 111390, 170798, 256197, 426995, 512394, 853990, 1280985, 2561970]

約数ペア:

[(1, 2561970), (2, 1280985), (3, 853990), (5, 512394), (6, 426995), (10, 256197), (15, 170798), (23, 111390), (30, 85399), (46, 55695), (47, 54510), (69, 37130), (79, 32430), (94, 27255), (115, 22278), (138, 18565), (141, 18170), (158, 16215), (230, 11139), (235, 10902), (237, 10810), (282, 9085), (345, 7426), (395, 6486), (470, 5451), (474, 5405), (690, 3713), (705, 3634), (790, 3243), (1081, 2370), (1185, 2162), (1410, 1817)]