18270160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26726960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 139, 155, 212, 248, 265, 278, 310, 424, 496, 530, 556, 620, 695, 848, 1060, 1112, 1240, 1390, 1643, 2120, 2224, 2480, 2780, 3286, 4240, 4309, 5560, 6572, 7367, 8215, 8618, 11120, 13144, 14734, 16430, 17236, 21545, 26288, 29468, 32860, 34472, 36835, 43090, 58936, 65720, 68944, 73670, 86180, 117872, 131440, 147340, 172360, 228377, 294680, 344720, 456754, 589360, 913508, 1141885, 1827016, 2283770, 3654032, 4567540, 9135080, 18270160]

約数ペア:

[(1, 18270160), (2, 9135080), (4, 4567540), (5, 3654032), (8, 2283770), (10, 1827016), (16, 1141885), (20, 913508), (31, 589360), (40, 456754), (53, 344720), (62, 294680), (80, 228377), (106, 172360), (124, 147340), (139, 131440), (155, 117872), (212, 86180), (248, 73670), (265, 68944), (278, 65720), (310, 58936), (424, 43090), (496, 36835), (530, 34472), (556, 32860), (620, 29468), (695, 26288), (848, 21545), (1060, 17236), (1112, 16430), (1240, 14734), (1390, 13144), (1643, 11120), (2120, 8618), (2224, 8215), (2480, 7367), (2780, 6572), (3286, 5560), (4240, 4309)]