3871280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 10665984

約数和(自身を除く): 6794704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 223, 248, 280, 310, 434, 446, 496, 560, 620, 868, 892, 1085, 1115, 1240, 1561, 1736, 1784, 2170, 2230, 2480, 3122, 3472, 3568, 4340, 4460, 6244, 6913, 7805, 8680, 8920, 12488, 13826, 15610, 17360, 17840, 24976, 27652, 31220, 34565, 48391, 55304, 62440, 69130, 96782, 110608, 124880, 138260, 193564, 241955, 276520, 387128, 483910, 553040, 774256, 967820, 1935640, 3871280]

約数ペア:

[(1, 3871280), (2, 1935640), (4, 967820), (5, 774256), (7, 553040), (8, 483910), (10, 387128), (14, 276520), (16, 241955), (20, 193564), (28, 138260), (31, 124880), (35, 110608), (40, 96782), (56, 69130), (62, 62440), (70, 55304), (80, 48391), (112, 34565), (124, 31220), (140, 27652), (155, 24976), (217, 17840), (223, 17360), (248, 15610), (280, 13826), (310, 12488), (434, 8920), (446, 8680), (496, 7805), (560, 6913), (620, 6244), (868, 4460), (892, 4340), (1085, 3568), (1115, 3472), (1240, 3122), (1561, 2480), (1736, 2230), (1784, 2170)]