280807128

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{811}}^1$

素因数の和:1062

約数の個数: 128

約数和(自身を含む): 896448000

約数和(自身を除く): 615640872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 229, 252, 378, 458, 504, 687, 756, 811, 916, 1374, 1512, 1603, 1622, 1832, 2061, 2433, 2748, 3206, 3244, 4122, 4809, 4866, 5496, 5677, 6183, 6412, 6488, 7299, 8244, 9618, 9732, 11354, 12366, 12824, 14427, 14598, 16488, 17031, 19236, 19464, 21897, 22708, 24732, 28854, 29196, 34062, 38472, 43281, 43794, 45416, 49464, 51093, 57708, 58392, 68124, 86562, 87588, 102186, 115416, 136248, 153279, 173124, 175176, 185719, 204372, 306558, 346248, 371438, 408744, 557157, 613116, 742876, 1114314, 1226232, 1300033, 1485752, 1671471, 2228628, 2600066, 3342942, 3900099, 4457256, 5014413, 5200132, 6685884, 7800198, 10028826, 10400264, 11700297, 13371768, 15600396, 20057652, 23400594, 31200792, 35100891, 40115304, 46801188, 70201782, 93602376, 140403564, 280807128]

約数ペア:

[(1, 280807128), (2, 140403564), (3, 93602376), (4, 70201782), (6, 46801188), (7, 40115304), (8, 35100891), (9, 31200792), (12, 23400594), (14, 20057652), (18, 15600396), (21, 13371768), (24, 11700297), (27, 10400264), (28, 10028826), (36, 7800198), (42, 6685884), (54, 5200132), (56, 5014413), (63, 4457256), (72, 3900099), (84, 3342942), (108, 2600066), (126, 2228628), (168, 1671471), (189, 1485752), (216, 1300033), (229, 1226232), (252, 1114314), (378, 742876), (458, 613116), (504, 557157), (687, 408744), (756, 371438), (811, 346248), (916, 306558), (1374, 204372), (1512, 185719), (1603, 175176), (1622, 173124), (1832, 153279), (2061, 136248), (2433, 115416), (2748, 102186), (3206, 87588), (3244, 86562), (4122, 68124), (4809, 58392), (4866, 57708), (5496, 51093), (5677, 49464), (6183, 45416), (6412, 43794), (6488, 43281), (7299, 38472), (8244, 34062), (9618, 29196), (9732, 28854), (11354, 24732), (12366, 22708), (12824, 21897), (14427, 19464), (14598, 19236), (16488, 17031)]