30561804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 100289280

約数和(自身を除く): 69727476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 491, 494, 532, 546, 684, 741, 798, 819, 982, 988, 1092, 1197, 1473, 1482, 1596, 1638, 1729, 1964, 2223, 2394, 2946, 2964, 3276, 3437, 3458, 4419, 4446, 4788, 5187, 5892, 6383, 6874, 6916, 8838, 8892, 9329, 10311, 10374, 12766, 13748, 15561, 17676, 18658, 19149, 20622, 20748, 25532, 27987, 30933, 31122, 37316, 38298, 41244, 44681, 55974, 57447, 61866, 62244, 65303, 76596, 83961, 89362, 111948, 114894, 121277, 123732, 130606, 134043, 167922, 178724, 195909, 229788, 242554, 261212, 268086, 335844, 363831, 391818, 402129, 485108, 536172, 587727, 727662, 783636, 804258, 848939, 1091493, 1175454, 1455324, 1608516, 1697878, 2182986, 2350908, 2546817, 3395756, 4365972, 5093634, 7640451, 10187268, 15280902, 30561804]

約数ペア:

[(1, 30561804), (2, 15280902), (3, 10187268), (4, 7640451), (6, 5093634), (7, 4365972), (9, 3395756), (12, 2546817), (13, 2350908), (14, 2182986), (18, 1697878), (19, 1608516), (21, 1455324), (26, 1175454), (28, 1091493), (36, 848939), (38, 804258), (39, 783636), (42, 727662), (52, 587727), (57, 536172), (63, 485108), (76, 402129), (78, 391818), (84, 363831), (91, 335844), (114, 268086), (117, 261212), (126, 242554), (133, 229788), (156, 195909), (171, 178724), (182, 167922), (228, 134043), (234, 130606), (247, 123732), (252, 121277), (266, 114894), (273, 111948), (342, 89362), (364, 83961), (399, 76596), (468, 65303), (491, 62244), (494, 61866), (532, 57447), (546, 55974), (684, 44681), (741, 41244), (798, 38298), (819, 37316), (982, 31122), (988, 30933), (1092, 27987), (1197, 25532), (1473, 20748), (1482, 20622), (1596, 19149), (1638, 18658), (1729, 17676), (1964, 15561), (2223, 13748), (2394, 12766), (2946, 10374), (2964, 10311), (3276, 9329), (3437, 8892), (3458, 8838), (4419, 6916), (4446, 6874), (4788, 6383), (5187, 5892)]