8153964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 26906880

約数和(自身を除く): 18752916

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, 131, 133, 156, 171, 182, 228, 234, 247, 252, 262, 266, 273, 342, 364, 393, 399, 468, 494, 524, 532, 546, 684, 741, 786, 798, 819, 917, 988, 1092, 1179, 1197, 1482, 1572, 1596, 1638, 1703, 1729, 1834, 2223, 2358, 2394, 2489, 2751, 2964, 3276, 3406, 3458, 3668, 4446, 4716, 4788, 4978, 5109, 5187, 5502, 6812, 6916, 7467, 8253, 8892, 9956, 10218, 10374, 11004, 11921, 14934, 15327, 15561, 16506, 17423, 20436, 20748, 22401, 23842, 29868, 30654, 31122, 32357, 33012, 34846, 35763, 44802, 47684, 52269, 61308, 62244, 64714, 69692, 71526, 89604, 97071, 104538, 107289, 129428, 143052, 156807, 194142, 209076, 214578, 226499, 291213, 313614, 388284, 429156, 452998, 582426, 627228, 679497, 905996, 1164852, 1358994, 2038491, 2717988, 4076982, 8153964]

約数ペア:

[(1, 8153964), (2, 4076982), (3, 2717988), (4, 2038491), (6, 1358994), (7, 1164852), (9, 905996), (12, 679497), (13, 627228), (14, 582426), (18, 452998), (19, 429156), (21, 388284), (26, 313614), (28, 291213), (36, 226499), (38, 214578), (39, 209076), (42, 194142), (52, 156807), (57, 143052), (63, 129428), (76, 107289), (78, 104538), (84, 97071), (91, 89604), (114, 71526), (117, 69692), (126, 64714), (131, 62244), (133, 61308), (156, 52269), (171, 47684), (182, 44802), (228, 35763), (234, 34846), (247, 33012), (252, 32357), (262, 31122), (266, 30654), (273, 29868), (342, 23842), (364, 22401), (393, 20748), (399, 20436), (468, 17423), (494, 16506), (524, 15561), (532, 15327), (546, 14934), (684, 11921), (741, 11004), (786, 10374), (798, 10218), (819, 9956), (917, 8892), (988, 8253), (1092, 7467), (1179, 6916), (1197, 6812), (1482, 5502), (1572, 5187), (1596, 5109), (1638, 4978), (1703, 4788), (1729, 4716), (1834, 4446), (2223, 3668), (2358, 3458), (2394, 3406), (2489, 3276), (2751, 2964)]