217554960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129497}}^1$

素因数の和:129520

約数の個数: 80

約数和(自身を含む): 770772096

約数和(自身を除く): 553217136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 129497, 258994, 388491, 517988, 647485, 776982, 906479, 1035976, 1294970, 1553964, 1812958, 1942455, 2071952, 2589940, 2719437, 3107928, 3625916, 3884910, 4532395, 5179880, 5438874, 6215856, 7251832, 7769820, 9064790, 10359760, 10877748, 13597185, 14503664, 15539640, 18129580, 21755496, 27194370, 31079280, 36259160, 43510992, 54388740, 72518320, 108777480, 217554960]

約数ペア:

[(1, 217554960), (2, 108777480), (3, 72518320), (4, 54388740), (5, 43510992), (6, 36259160), (7, 31079280), (8, 27194370), (10, 21755496), (12, 18129580), (14, 15539640), (15, 14503664), (16, 13597185), (20, 10877748), (21, 10359760), (24, 9064790), (28, 7769820), (30, 7251832), (35, 6215856), (40, 5438874), (42, 5179880), (48, 4532395), (56, 3884910), (60, 3625916), (70, 3107928), (80, 2719437), (84, 2589940), (105, 2071952), (112, 1942455), (120, 1812958), (140, 1553964), (168, 1294970), (210, 1035976), (240, 906479), (280, 776982), (336, 647485), (420, 517988), (560, 388491), (840, 258994), (1680, 129497)]