23681340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 77837760

約数和(自身を除く): 54156420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 71, 85, 90, 102, 109, 142, 153, 170, 180, 204, 213, 218, 255, 284, 306, 327, 340, 355, 426, 436, 510, 545, 612, 639, 654, 710, 765, 852, 981, 1020, 1065, 1090, 1207, 1278, 1308, 1420, 1530, 1635, 1853, 1962, 2130, 2180, 2414, 2556, 3060, 3195, 3270, 3621, 3706, 3924, 4260, 4828, 4905, 5559, 6035, 6390, 6540, 7242, 7412, 7739, 9265, 9810, 10863, 11118, 12070, 12780, 14484, 15478, 16677, 18105, 18530, 19620, 21726, 22236, 23217, 24140, 27795, 30956, 33354, 36210, 37060, 38695, 43452, 46434, 54315, 55590, 66708, 69651, 72420, 77390, 83385, 92868, 108630, 111180, 116085, 131563, 139302, 154780, 166770, 217260, 232170, 263126, 278604, 333540, 348255, 394689, 464340, 526252, 657815, 696510, 789378, 1184067, 1315630, 1393020, 1578756, 1973445, 2368134, 2631260, 3946890, 4736268, 5920335, 7893780, 11840670, 23681340]

約数ペア:

[(1, 23681340), (2, 11840670), (3, 7893780), (4, 5920335), (5, 4736268), (6, 3946890), (9, 2631260), (10, 2368134), (12, 1973445), (15, 1578756), (17, 1393020), (18, 1315630), (20, 1184067), (30, 789378), (34, 696510), (36, 657815), (45, 526252), (51, 464340), (60, 394689), (68, 348255), (71, 333540), (85, 278604), (90, 263126), (102, 232170), (109, 217260), (142, 166770), (153, 154780), (170, 139302), (180, 131563), (204, 116085), (213, 111180), (218, 108630), (255, 92868), (284, 83385), (306, 77390), (327, 72420), (340, 69651), (355, 66708), (426, 55590), (436, 54315), (510, 46434), (545, 43452), (612, 38695), (639, 37060), (654, 36210), (710, 33354), (765, 30956), (852, 27795), (981, 24140), (1020, 23217), (1065, 22236), (1090, 21726), (1207, 19620), (1278, 18530), (1308, 18105), (1420, 16677), (1530, 15478), (1635, 14484), (1853, 12780), (1962, 12070), (2130, 11118), (2180, 10863), (2414, 9810), (2556, 9265), (3060, 7739), (3195, 7412), (3270, 7242), (3621, 6540), (3706, 6390), (3924, 6035), (4260, 5559), (4828, 4905)]