131420240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{709}}^1$

素因数の和:1060

約数の個数: 80

約数和(自身を含む): 350751360

約数和(自身を除く): 219331120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 331, 560, 662, 709, 1324, 1418, 1655, 2317, 2648, 2836, 3310, 3545, 4634, 4963, 5296, 5672, 6620, 7090, 9268, 9926, 11344, 11585, 13240, 14180, 18536, 19852, 23170, 24815, 26480, 28360, 37072, 39704, 46340, 49630, 56720, 79408, 92680, 99260, 185360, 198520, 234679, 397040, 469358, 938716, 1173395, 1642753, 1877432, 2346790, 3285506, 3754864, 4693580, 6571012, 8213765, 9387160, 13142024, 16427530, 18774320, 26284048, 32855060, 65710120, 131420240]

約数ペア:

[(1, 131420240), (2, 65710120), (4, 32855060), (5, 26284048), (7, 18774320), (8, 16427530), (10, 13142024), (14, 9387160), (16, 8213765), (20, 6571012), (28, 4693580), (35, 3754864), (40, 3285506), (56, 2346790), (70, 1877432), (80, 1642753), (112, 1173395), (140, 938716), (280, 469358), (331, 397040), (560, 234679), (662, 198520), (709, 185360), (1324, 99260), (1418, 92680), (1655, 79408), (2317, 56720), (2648, 49630), (2836, 46340), (3310, 39704), (3545, 37072), (4634, 28360), (4963, 26480), (5296, 24815), (5672, 23170), (6620, 19852), (7090, 18536), (9268, 14180), (9926, 13240), (11344, 11585)]