68131920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16699}}^1$

素因数の和:16732

約数の個数: 80

約数和(自身を含む): 223646400

約数和(自身を除く): 155514480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 16699, 33398, 50097, 66796, 83495, 100194, 133592, 166990, 200388, 250485, 267184, 283883, 333980, 400776, 500970, 567766, 667960, 801552, 851649, 1001940, 1135532, 1335920, 1419415, 1703298, 2003880, 2271064, 2838830, 3406596, 4007760, 4258245, 4542128, 5677660, 6813192, 8516490, 11355320, 13626384, 17032980, 22710640, 34065960, 68131920]

約数ペア:

[(1, 68131920), (2, 34065960), (3, 22710640), (4, 17032980), (5, 13626384), (6, 11355320), (8, 8516490), (10, 6813192), (12, 5677660), (15, 4542128), (16, 4258245), (17, 4007760), (20, 3406596), (24, 2838830), (30, 2271064), (34, 2003880), (40, 1703298), (48, 1419415), (51, 1335920), (60, 1135532), (68, 1001940), (80, 851649), (85, 801552), (102, 667960), (120, 567766), (136, 500970), (170, 400776), (204, 333980), (240, 283883), (255, 267184), (272, 250485), (340, 200388), (408, 166990), (510, 133592), (680, 100194), (816, 83495), (1020, 66796), (1360, 50097), (2040, 33398), (4080, 16699)]