280981120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3301}}^1$

素因数の和:3346

約数の個数: 128

約数和(自身を含む): 808329600

約数和(自身を除く): 527348480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2660, 3040, 3301, 4256, 4480, 5320, 6080, 6602, 8512, 10640, 12160, 13204, 16505, 17024, 21280, 23107, 26408, 33010, 42560, 46214, 52816, 62719, 66020, 85120, 92428, 105632, 115535, 125438, 132040, 184856, 211264, 231070, 250876, 264080, 313595, 369712, 422528, 439033, 462140, 501752, 528160, 627190, 739424, 878066, 924280, 1003504, 1056320, 1254380, 1478848, 1756132, 1848560, 2007008, 2112640, 2195165, 2508760, 2957696, 3512264, 3697120, 4014016, 4390330, 5017520, 7024528, 7394240, 8028032, 8780660, 10035040, 14049056, 14788480, 17561320, 20070080, 28098112, 35122640, 40140160, 56196224, 70245280, 140490560, 280981120]

約数ペア:

[(1, 280981120), (2, 140490560), (4, 70245280), (5, 56196224), (7, 40140160), (8, 35122640), (10, 28098112), (14, 20070080), (16, 17561320), (19, 14788480), (20, 14049056), (28, 10035040), (32, 8780660), (35, 8028032), (38, 7394240), (40, 7024528), (56, 5017520), (64, 4390330), (70, 4014016), (76, 3697120), (80, 3512264), (95, 2957696), (112, 2508760), (128, 2195165), (133, 2112640), (140, 2007008), (152, 1848560), (160, 1756132), (190, 1478848), (224, 1254380), (266, 1056320), (280, 1003504), (304, 924280), (320, 878066), (380, 739424), (448, 627190), (532, 528160), (560, 501752), (608, 462140), (640, 439033), (665, 422528), (760, 369712), (896, 313595), (1064, 264080), (1120, 250876), (1216, 231070), (1330, 211264), (1520, 184856), (2128, 132040), (2240, 125438), (2432, 115535), (2660, 105632), (3040, 92428), (3301, 85120), (4256, 66020), (4480, 62719), (5320, 52816), (6080, 46214), (6602, 42560), (8512, 33010), (10640, 26408), (12160, 23107), (13204, 21280), (16505, 17024)]