68842480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 184006080

約数和(自身を除く): 115163600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 269, 280, 457, 538, 560, 914, 1076, 1345, 1828, 1883, 2152, 2285, 2690, 3199, 3656, 3766, 4304, 4570, 5380, 6398, 7312, 7532, 9140, 9415, 10760, 12796, 15064, 15995, 18280, 18830, 21520, 25592, 30128, 31990, 36560, 37660, 51184, 63980, 75320, 122933, 127960, 150640, 245866, 255920, 491732, 614665, 860531, 983464, 1229330, 1721062, 1966928, 2458660, 3442124, 4302655, 4917320, 6884248, 8605310, 9834640, 13768496, 17210620, 34421240, 68842480]

約数ペア:

[(1, 68842480), (2, 34421240), (4, 17210620), (5, 13768496), (7, 9834640), (8, 8605310), (10, 6884248), (14, 4917320), (16, 4302655), (20, 3442124), (28, 2458660), (35, 1966928), (40, 1721062), (56, 1229330), (70, 983464), (80, 860531), (112, 614665), (140, 491732), (269, 255920), (280, 245866), (457, 150640), (538, 127960), (560, 122933), (914, 75320), (1076, 63980), (1345, 51184), (1828, 37660), (1883, 36560), (2152, 31990), (2285, 30128), (2690, 25592), (3199, 21520), (3656, 18830), (3766, 18280), (4304, 15995), (4570, 15064), (5380, 12796), (6398, 10760), (7312, 9415), (7532, 9140)]