179888240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2311}}^1$

素因数の和:2470

約数の個数: 80

約数和(自身を含む): 481635840

約数和(自身を除く): 301747600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2311, 2780, 3892, 4622, 4865, 5560, 7784, 9244, 9730, 11120, 11555, 15568, 16177, 18488, 19460, 23110, 32354, 36976, 38920, 46220, 64708, 77840, 80885, 92440, 129416, 161770, 184880, 258832, 321229, 323540, 642458, 647080, 1284916, 1294160, 1606145, 2248603, 2569832, 3212290, 4497206, 5139664, 6424580, 8994412, 11243015, 12849160, 17988824, 22486030, 25698320, 35977648, 44972060, 89944120, 179888240]

約数ペア:

[(1, 179888240), (2, 89944120), (4, 44972060), (5, 35977648), (7, 25698320), (8, 22486030), (10, 17988824), (14, 12849160), (16, 11243015), (20, 8994412), (28, 6424580), (35, 5139664), (40, 4497206), (56, 3212290), (70, 2569832), (80, 2248603), (112, 1606145), (139, 1294160), (140, 1284916), (278, 647080), (280, 642458), (556, 323540), (560, 321229), (695, 258832), (973, 184880), (1112, 161770), (1390, 129416), (1946, 92440), (2224, 80885), (2311, 77840), (2780, 64708), (3892, 46220), (4622, 38920), (4865, 36976), (5560, 32354), (7784, 23110), (9244, 19460), (9730, 18488), (11120, 16177), (11555, 15568)]