661355856

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1759}}^1$

素因数の和:2153

約数の個数: 120

約数和(自身を含む): 2122165760

約数和(自身を除く): 1460809904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 373, 504, 746, 1008, 1119, 1492, 1759, 2238, 2611, 2984, 3357, 3518, 4476, 5222, 5277, 5968, 6714, 7036, 7833, 8952, 10444, 10554, 12313, 13428, 14072, 15666, 15831, 17904, 20888, 21108, 23499, 24626, 26856, 28144, 31332, 31662, 36939, 41776, 42216, 46998, 49252, 53712, 62664, 63324, 73878, 84432, 93996, 98504, 110817, 125328, 126648, 147756, 187992, 197008, 221634, 253296, 295512, 375984, 443268, 591024, 656107, 886536, 1312214, 1773072, 1968321, 2624428, 3936642, 4592749, 5248856, 5904963, 7873284, 9185498, 10497712, 11809926, 13778247, 15746568, 18370996, 23619852, 27556494, 31493136, 36741992, 41334741, 47239704, 55112988, 73483984, 82669482, 94479408, 110225976, 165338964, 220451952, 330677928, 661355856]

約数ペア:

[(1, 661355856), (2, 330677928), (3, 220451952), (4, 165338964), (6, 110225976), (7, 94479408), (8, 82669482), (9, 73483984), (12, 55112988), (14, 47239704), (16, 41334741), (18, 36741992), (21, 31493136), (24, 27556494), (28, 23619852), (36, 18370996), (42, 15746568), (48, 13778247), (56, 11809926), (63, 10497712), (72, 9185498), (84, 7873284), (112, 5904963), (126, 5248856), (144, 4592749), (168, 3936642), (252, 2624428), (336, 1968321), (373, 1773072), (504, 1312214), (746, 886536), (1008, 656107), (1119, 591024), (1492, 443268), (1759, 375984), (2238, 295512), (2611, 253296), (2984, 221634), (3357, 197008), (3518, 187992), (4476, 147756), (5222, 126648), (5277, 125328), (5968, 110817), (6714, 98504), (7036, 93996), (7833, 84432), (8952, 73878), (10444, 63324), (10554, 62664), (12313, 53712), (13428, 49252), (14072, 46998), (15666, 42216), (15831, 41776), (17904, 36939), (20888, 31662), (21108, 31332), (23499, 28144), (24626, 26856)]