87266780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 204374016

約数和(自身を除く): 117107236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 47, 68, 85, 86, 94, 127, 170, 172, 188, 215, 235, 254, 340, 430, 470, 508, 635, 731, 799, 860, 940, 1270, 1462, 1598, 2021, 2159, 2540, 2924, 3196, 3655, 3995, 4042, 4318, 5461, 5969, 7310, 7990, 8084, 8636, 10105, 10795, 10922, 11938, 14620, 15980, 20210, 21590, 21844, 23876, 27305, 29845, 34357, 40420, 43180, 54610, 59690, 68714, 92837, 101473, 109220, 119380, 137428, 171785, 185674, 202946, 256667, 343570, 371348, 405892, 464185, 507365, 513334, 687140, 928370, 1014730, 1026668, 1283335, 1856740, 2029460, 2566670, 4363339, 5133340, 8726678, 17453356, 21816695, 43633390, 87266780]

約数ペア:

[(1, 87266780), (2, 43633390), (4, 21816695), (5, 17453356), (10, 8726678), (17, 5133340), (20, 4363339), (34, 2566670), (43, 2029460), (47, 1856740), (68, 1283335), (85, 1026668), (86, 1014730), (94, 928370), (127, 687140), (170, 513334), (172, 507365), (188, 464185), (215, 405892), (235, 371348), (254, 343570), (340, 256667), (430, 202946), (470, 185674), (508, 171785), (635, 137428), (731, 119380), (799, 109220), (860, 101473), (940, 92837), (1270, 68714), (1462, 59690), (1598, 54610), (2021, 43180), (2159, 40420), (2540, 34357), (2924, 29845), (3196, 27305), (3655, 23876), (3995, 21844), (4042, 21590), (4318, 20210), (5461, 15980), (5969, 14620), (7310, 11938), (7990, 10922), (8084, 10795), (8636, 10105)]