285696840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16649}}^1$

素因数の和:16687

約数の個数: 128

約数和(自身を含む): 1006992000

約数和(自身を除く): 721295160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 16649, 17160, 33298, 49947, 66596, 83245, 99894, 133192, 166490, 183139, 199788, 216437, 249735, 332980, 366278, 399576, 432874, 499470, 549417, 649311, 665960, 732556, 865748, 915695, 998940, 1082185, 1098834, 1298622, 1465112, 1731496, 1831390, 1997880, 2164370, 2197668, 2380807, 2597244, 2747085, 3246555, 3662780, 4328740, 4395336, 4761614, 5194488, 5494170, 6493110, 7142421, 7325560, 8657480, 9523228, 10988340, 11904035, 12986220, 14284842, 19046456, 21976680, 23808070, 25972440, 28569684, 35712105, 47616140, 57139368, 71424210, 95232280, 142848420, 285696840]

約数ペア:

[(1, 285696840), (2, 142848420), (3, 95232280), (4, 71424210), (5, 57139368), (6, 47616140), (8, 35712105), (10, 28569684), (11, 25972440), (12, 23808070), (13, 21976680), (15, 19046456), (20, 14284842), (22, 12986220), (24, 11904035), (26, 10988340), (30, 9523228), (33, 8657480), (39, 7325560), (40, 7142421), (44, 6493110), (52, 5494170), (55, 5194488), (60, 4761614), (65, 4395336), (66, 4328740), (78, 3662780), (88, 3246555), (104, 2747085), (110, 2597244), (120, 2380807), (130, 2197668), (132, 2164370), (143, 1997880), (156, 1831390), (165, 1731496), (195, 1465112), (220, 1298622), (260, 1098834), (264, 1082185), (286, 998940), (312, 915695), (330, 865748), (390, 732556), (429, 665960), (440, 649311), (520, 549417), (572, 499470), (660, 432874), (715, 399576), (780, 366278), (858, 332980), (1144, 249735), (1320, 216437), (1430, 199788), (1560, 183139), (1716, 166490), (2145, 133192), (2860, 99894), (3432, 83245), (4290, 66596), (5720, 49947), (8580, 33298), (16649, 17160)]