838320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{499}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 2976000

約数和(自身を除く): 2137680

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, 499, 560, 840, 998, 1497, 1680, 1996, 2495, 2994, 3493, 3992, 4990, 5988, 6986, 7485, 7984, 9980, 10479, 11976, 13972, 14970, 17465, 19960, 20958, 23952, 27944, 29940, 34930, 39920, 41916, 52395, 55888, 59880, 69860, 83832, 104790, 119760, 139720, 167664, 209580, 279440, 419160, 838320]

約数ペア:

[(1, 838320), (2, 419160), (3, 279440), (4, 209580), (5, 167664), (6, 139720), (7, 119760), (8, 104790), (10, 83832), (12, 69860), (14, 59880), (15, 55888), (16, 52395), (20, 41916), (21, 39920), (24, 34930), (28, 29940), (30, 27944), (35, 23952), (40, 20958), (42, 19960), (48, 17465), (56, 14970), (60, 13972), (70, 11976), (80, 10479), (84, 9980), (105, 7984), (112, 7485), (120, 6986), (140, 5988), (168, 4990), (210, 3992), (240, 3493), (280, 2994), (336, 2495), (420, 1996), (499, 1680), (560, 1497), (840, 998)]