631680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1$

素因数の和:76

約数の個数: 128

約数和(自身を含む): 2350080

約数和(自身を除く): 1718400

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, 47, 48, 56, 60, 64, 70, 80, 84, 94, 96, 105, 112, 120, 128, 140, 141, 160, 168, 188, 192, 210, 224, 235, 240, 280, 282, 320, 329, 336, 376, 384, 420, 448, 470, 480, 560, 564, 640, 658, 672, 705, 752, 840, 896, 940, 960, 987, 1120, 1128, 1316, 1344, 1410, 1504, 1645, 1680, 1880, 1920, 1974, 2240, 2256, 2632, 2688, 2820, 3008, 3290, 3360, 3760, 3948, 4480, 4512, 4935, 5264, 5640, 6016, 6580, 6720, 7520, 7896, 9024, 9870, 10528, 11280, 13160, 13440, 15040, 15792, 18048, 19740, 21056, 22560, 26320, 30080, 31584, 39480, 42112, 45120, 52640, 63168, 78960, 90240, 105280, 126336, 157920, 210560, 315840, 631680]

約数ペア:

[(1, 631680), (2, 315840), (3, 210560), (4, 157920), (5, 126336), (6, 105280), (7, 90240), (8, 78960), (10, 63168), (12, 52640), (14, 45120), (15, 42112), (16, 39480), (20, 31584), (21, 30080), (24, 26320), (28, 22560), (30, 21056), (32, 19740), (35, 18048), (40, 15792), (42, 15040), (47, 13440), (48, 13160), (56, 11280), (60, 10528), (64, 9870), (70, 9024), (80, 7896), (84, 7520), (94, 6720), (96, 6580), (105, 6016), (112, 5640), (120, 5264), (128, 4935), (140, 4512), (141, 4480), (160, 3948), (168, 3760), (188, 3360), (192, 3290), (210, 3008), (224, 2820), (235, 2688), (240, 2632), (280, 2256), (282, 2240), (320, 1974), (329, 1920), (336, 1880), (376, 1680), (384, 1645), (420, 1504), (448, 1410), (470, 1344), (480, 1316), (560, 1128), (564, 1120), (640, 987), (658, 960), (672, 940), (705, 896), (752, 840)]