1285763868

素因数分解:

$2^2\times 3^4\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 3434618880

約数和(自身を除く): 2148855012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 191, 237, 263, 316, 324, 382, 474, 526, 573, 711, 764, 789, 948, 1052, 1146, 1422, 1578, 1719, 2133, 2292, 2367, 2844, 3156, 3438, 4266, 4734, 5157, 6399, 6876, 7101, 8532, 9468, 10314, 12798, 14202, 15089, 15471, 20628, 20777, 21303, 25596, 28404, 30178, 30942, 41554, 42606, 45267, 50233, 60356, 61884, 62331, 83108, 85212, 90534, 100466, 124662, 135801, 150699, 181068, 186993, 200932, 249324, 271602, 301398, 373986, 407403, 452097, 543204, 560979, 602796, 747972, 814806, 904194, 1121958, 1222209, 1356291, 1629612, 1682937, 1808388, 2243916, 2444418, 2712582, 3365874, 3968407, 4068873, 4888836, 5425164, 6731748, 7936814, 8137746, 11905221, 15873628, 16275492, 23810442, 35715663, 47620884, 71431326, 107146989, 142862652, 214293978, 321440967, 428587956, 642881934, 1285763868]

約数ペア:

[(1, 1285763868), (2, 642881934), (3, 428587956), (4, 321440967), (6, 214293978), (9, 142862652), (12, 107146989), (18, 71431326), (27, 47620884), (36, 35715663), (54, 23810442), (79, 16275492), (81, 15873628), (108, 11905221), (158, 8137746), (162, 7936814), (191, 6731748), (237, 5425164), (263, 4888836), (316, 4068873), (324, 3968407), (382, 3365874), (474, 2712582), (526, 2444418), (573, 2243916), (711, 1808388), (764, 1682937), (789, 1629612), (948, 1356291), (1052, 1222209), (1146, 1121958), (1422, 904194), (1578, 814806), (1719, 747972), (2133, 602796), (2292, 560979), (2367, 543204), (2844, 452097), (3156, 407403), (3438, 373986), (4266, 301398), (4734, 271602), (5157, 249324), (6399, 200932), (6876, 186993), (7101, 181068), (8532, 150699), (9468, 135801), (10314, 124662), (12798, 100466), (14202, 90534), (15089, 85212), (15471, 83108), (20628, 62331), (20777, 61884), (21303, 60356), (25596, 50233), (28404, 45267), (30178, 42606), (30942, 41554)]