280051956

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 778377600

約数和(自身を除く): 498325644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 107, 109, 116, 138, 174, 207, 214, 218, 261, 276, 321, 327, 348, 414, 428, 436, 522, 642, 654, 667, 828, 963, 981, 1044, 1284, 1308, 1334, 1926, 1962, 2001, 2461, 2507, 2668, 3103, 3161, 3852, 3924, 4002, 4922, 5014, 6003, 6206, 6322, 7383, 7521, 8004, 9309, 9483, 9844, 10028, 11663, 12006, 12412, 12644, 14766, 15042, 18618, 18966, 22149, 22563, 23326, 24012, 27927, 28449, 29532, 30084, 34989, 37236, 37932, 44298, 45126, 46652, 55854, 56898, 69978, 71369, 72703, 88596, 90252, 104967, 111708, 113796, 139956, 142738, 145406, 209934, 214107, 218109, 268249, 285476, 290812, 338227, 419868, 428214, 436218, 536498, 642321, 654327, 676454, 804747, 856428, 872436, 1014681, 1072996, 1284642, 1308654, 1352908, 1609494, 2029362, 2414241, 2569284, 2617308, 3044043, 3218988, 4058724, 4828482, 6088086, 7779221, 9656964, 12176172, 15558442, 23337663, 31116884, 46675326, 70012989, 93350652, 140025978, 280051956]

約数ペア:

[(1, 280051956), (2, 140025978), (3, 93350652), (4, 70012989), (6, 46675326), (9, 31116884), (12, 23337663), (18, 15558442), (23, 12176172), (29, 9656964), (36, 7779221), (46, 6088086), (58, 4828482), (69, 4058724), (87, 3218988), (92, 3044043), (107, 2617308), (109, 2569284), (116, 2414241), (138, 2029362), (174, 1609494), (207, 1352908), (214, 1308654), (218, 1284642), (261, 1072996), (276, 1014681), (321, 872436), (327, 856428), (348, 804747), (414, 676454), (428, 654327), (436, 642321), (522, 536498), (642, 436218), (654, 428214), (667, 419868), (828, 338227), (963, 290812), (981, 285476), (1044, 268249), (1284, 218109), (1308, 214107), (1334, 209934), (1926, 145406), (1962, 142738), (2001, 139956), (2461, 113796), (2507, 111708), (2668, 104967), (3103, 90252), (3161, 88596), (3852, 72703), (3924, 71369), (4002, 69978), (4922, 56898), (5014, 55854), (6003, 46652), (6206, 45126), (6322, 44298), (7383, 37932), (7521, 37236), (8004, 34989), (9309, 30084), (9483, 29532), (9844, 28449), (10028, 27927), (11663, 24012), (12006, 23326), (12412, 22563), (12644, 22149), (14766, 18966), (15042, 18618)]