680305920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{25309}}^1$

素因数の和:25340

約数の個数: 144

約数和(自身を含む): 2483214720

約数和(自身を除く): 1802908800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 25309, 26880, 50618, 75927, 101236, 126545, 151854, 177163, 202472, 253090, 303708, 354326, 379635, 404944, 506180, 531489, 607416, 708652, 759270, 809888, 885815, 1012360, 1062978, 1214832, 1417304, 1518540, 1619776, 1771630, 2024720, 2125956, 2429664, 2657445, 2834608, 3037080, 3239552, 3543260, 4049440, 4251912, 4859328, 5314890, 5669216, 6074160, 6479104, 7086520, 8098880, 8503824, 9718656, 10629780, 11338432, 12148320, 14173040, 16197760, 17007648, 19437312, 21259560, 22676864, 24296640, 28346080, 32395520, 34015296, 42519120, 45353728, 48593280, 56692160, 68030592, 85038240, 97186560, 113384320, 136061184, 170076480, 226768640, 340152960, 680305920]

約数ペア:

[(1, 680305920), (2, 340152960), (3, 226768640), (4, 170076480), (5, 136061184), (6, 113384320), (7, 97186560), (8, 85038240), (10, 68030592), (12, 56692160), (14, 48593280), (15, 45353728), (16, 42519120), (20, 34015296), (21, 32395520), (24, 28346080), (28, 24296640), (30, 22676864), (32, 21259560), (35, 19437312), (40, 17007648), (42, 16197760), (48, 14173040), (56, 12148320), (60, 11338432), (64, 10629780), (70, 9718656), (80, 8503824), (84, 8098880), (96, 7086520), (105, 6479104), (112, 6074160), (120, 5669216), (128, 5314890), (140, 4859328), (160, 4251912), (168, 4049440), (192, 3543260), (210, 3239552), (224, 3037080), (240, 2834608), (256, 2657445), (280, 2429664), (320, 2125956), (336, 2024720), (384, 1771630), (420, 1619776), (448, 1518540), (480, 1417304), (560, 1214832), (640, 1062978), (672, 1012360), (768, 885815), (840, 809888), (896, 759270), (960, 708652), (1120, 607416), (1280, 531489), (1344, 506180), (1680, 404944), (1792, 379635), (1920, 354326), (2240, 303708), (2688, 253090), (3360, 202472), (3840, 177163), (4480, 151854), (5376, 126545), (6720, 101236), (8960, 75927), (13440, 50618), (25309, 26880)]