8587740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 29417472

約数和(自身を除く): 20829732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 127, 138, 140, 147, 161, 196, 210, 230, 245, 254, 276, 294, 322, 345, 381, 420, 460, 483, 490, 508, 588, 635, 644, 690, 735, 762, 805, 889, 966, 980, 1127, 1270, 1380, 1470, 1524, 1610, 1778, 1905, 1932, 2254, 2415, 2540, 2667, 2921, 2940, 3220, 3381, 3556, 3810, 4445, 4508, 4830, 5334, 5635, 5842, 6223, 6762, 7620, 8763, 8890, 9660, 10668, 11270, 11684, 12446, 13335, 13524, 14605, 16905, 17526, 17780, 18669, 20447, 22540, 24892, 26670, 29210, 31115, 33810, 35052, 37338, 40894, 43815, 53340, 58420, 61341, 62230, 67620, 74676, 81788, 87630, 93345, 102235, 122682, 124460, 143129, 175260, 186690, 204470, 245364, 286258, 306705, 373380, 408940, 429387, 572516, 613410, 715645, 858774, 1226820, 1431290, 1717548, 2146935, 2862580, 4293870, 8587740]

約数ペア:

[(1, 8587740), (2, 4293870), (3, 2862580), (4, 2146935), (5, 1717548), (6, 1431290), (7, 1226820), (10, 858774), (12, 715645), (14, 613410), (15, 572516), (20, 429387), (21, 408940), (23, 373380), (28, 306705), (30, 286258), (35, 245364), (42, 204470), (46, 186690), (49, 175260), (60, 143129), (69, 124460), (70, 122682), (84, 102235), (92, 93345), (98, 87630), (105, 81788), (115, 74676), (127, 67620), (138, 62230), (140, 61341), (147, 58420), (161, 53340), (196, 43815), (210, 40894), (230, 37338), (245, 35052), (254, 33810), (276, 31115), (294, 29210), (322, 26670), (345, 24892), (381, 22540), (420, 20447), (460, 18669), (483, 17780), (490, 17526), (508, 16905), (588, 14605), (635, 13524), (644, 13335), (690, 12446), (735, 11684), (762, 11270), (805, 10668), (889, 9660), (966, 8890), (980, 8763), (1127, 7620), (1270, 6762), (1380, 6223), (1470, 5842), (1524, 5635), (1610, 5334), (1778, 4830), (1905, 4508), (1932, 4445), (2254, 3810), (2415, 3556), (2540, 3381), (2667, 3220), (2921, 2940)]