1680720240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{368579}}^1$

素因数の和:368614

約数の個数: 80

約数和(自身を含む): 5484470400

約数和(自身を除く): 3803750160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 368579, 737158, 1105737, 1474316, 1842895, 2211474, 2948632, 3685790, 4422948, 5528685, 5897264, 7003001, 7371580, 8845896, 11057370, 14006002, 14743160, 17691792, 21009003, 22114740, 28012004, 29486320, 35015005, 42018006, 44229480, 56024008, 70030010, 84036012, 88458960, 105045015, 112048016, 140060020, 168072024, 210090030, 280120040, 336144048, 420180060, 560240080, 840360120, 1680720240]

約数ペア:

[(1, 1680720240), (2, 840360120), (3, 560240080), (4, 420180060), (5, 336144048), (6, 280120040), (8, 210090030), (10, 168072024), (12, 140060020), (15, 112048016), (16, 105045015), (19, 88458960), (20, 84036012), (24, 70030010), (30, 56024008), (38, 44229480), (40, 42018006), (48, 35015005), (57, 29486320), (60, 28012004), (76, 22114740), (80, 21009003), (95, 17691792), (114, 14743160), (120, 14006002), (152, 11057370), (190, 8845896), (228, 7371580), (240, 7003001), (285, 5897264), (304, 5528685), (380, 4422948), (456, 3685790), (570, 2948632), (760, 2211474), (912, 1842895), (1140, 1474316), (1520, 1105737), (2280, 737158), (4560, 368579)]