280136280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{11731}}^1$

素因数の和:11944

約数の個数: 64

約数和(自身を含む): 844704000

約数和(自身を除く): 564567720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3980, 4776, 5970, 7960, 11731, 11940, 23462, 23880, 35193, 46924, 58655, 70386, 93848, 117310, 140772, 175965, 234620, 281544, 351930, 469240, 703860, 1407720, 2334469, 4668938, 7003407, 9337876, 11672345, 14006814, 18675752, 23344690, 28013628, 35017035, 46689380, 56027256, 70034070, 93378760, 140068140, 280136280]

約数ペア:

[(1, 280136280), (2, 140068140), (3, 93378760), (4, 70034070), (5, 56027256), (6, 46689380), (8, 35017035), (10, 28013628), (12, 23344690), (15, 18675752), (20, 14006814), (24, 11672345), (30, 9337876), (40, 7003407), (60, 4668938), (120, 2334469), (199, 1407720), (398, 703860), (597, 469240), (796, 351930), (995, 281544), (1194, 234620), (1592, 175965), (1990, 140772), (2388, 117310), (2985, 93848), (3980, 70386), (4776, 58655), (5970, 46924), (7960, 35193), (11731, 23880), (11940, 23462)]