321102160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 769950720

約数和(自身を除く): 448848560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 223, 328, 410, 439, 446, 656, 820, 878, 892, 1115, 1640, 1756, 1784, 2195, 2230, 3280, 3512, 3568, 4390, 4460, 7024, 8780, 8920, 9143, 17560, 17840, 17999, 18286, 35120, 35998, 36572, 45715, 71996, 73144, 89995, 91430, 97897, 143992, 146288, 179990, 182860, 195794, 287984, 359980, 365720, 391588, 489485, 719960, 731440, 783176, 978970, 1439920, 1566352, 1957940, 3915880, 4013777, 7831760, 8027554, 16055108, 20068885, 32110216, 40137770, 64220432, 80275540, 160551080, 321102160]

約数ペア:

[(1, 321102160), (2, 160551080), (4, 80275540), (5, 64220432), (8, 40137770), (10, 32110216), (16, 20068885), (20, 16055108), (40, 8027554), (41, 7831760), (80, 4013777), (82, 3915880), (164, 1957940), (205, 1566352), (223, 1439920), (328, 978970), (410, 783176), (439, 731440), (446, 719960), (656, 489485), (820, 391588), (878, 365720), (892, 359980), (1115, 287984), (1640, 195794), (1756, 182860), (1784, 179990), (2195, 146288), (2230, 143992), (3280, 97897), (3512, 91430), (3568, 89995), (4390, 73144), (4460, 71996), (7024, 45715), (8780, 36572), (8920, 35998), (9143, 35120), (17560, 18286), (17840, 17999)]