280706664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 128

約数和(自身を含む): 833172480

約数和(自身を除く): 552465816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 83, 84, 123, 164, 166, 168, 246, 249, 287, 328, 332, 491, 492, 498, 574, 581, 664, 861, 982, 984, 996, 1148, 1162, 1473, 1722, 1743, 1964, 1992, 2296, 2324, 2946, 3403, 3437, 3444, 3486, 3928, 4648, 5892, 6806, 6874, 6888, 6972, 10209, 10311, 11784, 13612, 13748, 13944, 20131, 20418, 20622, 23821, 27224, 27496, 40262, 40753, 40836, 41244, 47642, 60393, 71463, 80524, 81506, 81672, 82488, 95284, 120786, 122259, 140917, 142926, 161048, 163012, 190568, 241572, 244518, 281834, 285271, 285852, 326024, 422751, 483144, 489036, 563668, 570542, 571704, 845502, 855813, 978072, 1127336, 1141084, 1670873, 1691004, 1711626, 2282168, 3341746, 3382008, 3423252, 5012619, 6683492, 6846504, 10025238, 11696111, 13366984, 20050476, 23392222, 35088333, 40100952, 46784444, 70176666, 93568888, 140353332, 280706664]

約数ペア:

[(1, 280706664), (2, 140353332), (3, 93568888), (4, 70176666), (6, 46784444), (7, 40100952), (8, 35088333), (12, 23392222), (14, 20050476), (21, 13366984), (24, 11696111), (28, 10025238), (41, 6846504), (42, 6683492), (56, 5012619), (82, 3423252), (83, 3382008), (84, 3341746), (123, 2282168), (164, 1711626), (166, 1691004), (168, 1670873), (246, 1141084), (249, 1127336), (287, 978072), (328, 855813), (332, 845502), (491, 571704), (492, 570542), (498, 563668), (574, 489036), (581, 483144), (664, 422751), (861, 326024), (982, 285852), (984, 285271), (996, 281834), (1148, 244518), (1162, 241572), (1473, 190568), (1722, 163012), (1743, 161048), (1964, 142926), (1992, 140917), (2296, 122259), (2324, 120786), (2946, 95284), (3403, 82488), (3437, 81672), (3444, 81506), (3486, 80524), (3928, 71463), (4648, 60393), (5892, 47642), (6806, 41244), (6874, 40836), (6888, 40753), (6972, 40262), (10209, 27496), (10311, 27224), (11784, 23821), (13612, 20622), (13748, 20418), (13944, 20131)]