256329060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1542

約数の個数: 144

約数和(自身を含む): 823447296

約数和(自身を除く): 567118236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 338, 340, 390, 442, 507, 510, 663, 676, 780, 845, 884, 1014, 1020, 1105, 1326, 1487, 1690, 2028, 2210, 2535, 2652, 2873, 2974, 3315, 3380, 4420, 4461, 5070, 5746, 5948, 6630, 7435, 8619, 8922, 10140, 11492, 13260, 14365, 14870, 17238, 17844, 19331, 22305, 25279, 28730, 29740, 34476, 38662, 43095, 44610, 50558, 57460, 57993, 75837, 77324, 86190, 89220, 96655, 101116, 115986, 126395, 151674, 172380, 193310, 231972, 251303, 252790, 289965, 303348, 328627, 379185, 386620, 502606, 505580, 579930, 657254, 753909, 758370, 985881, 1005212, 1159860, 1256515, 1314508, 1507818, 1516740, 1643135, 1971762, 2513030, 3015636, 3286270, 3769545, 3943524, 4272151, 4929405, 5026060, 6572540, 7539090, 8544302, 9858810, 12816453, 15078180, 17088604, 19717620, 21360755, 25632906, 42721510, 51265812, 64082265, 85443020, 128164530, 256329060]

約数ペア:

[(1, 256329060), (2, 128164530), (3, 85443020), (4, 64082265), (5, 51265812), (6, 42721510), (10, 25632906), (12, 21360755), (13, 19717620), (15, 17088604), (17, 15078180), (20, 12816453), (26, 9858810), (30, 8544302), (34, 7539090), (39, 6572540), (51, 5026060), (52, 4929405), (60, 4272151), (65, 3943524), (68, 3769545), (78, 3286270), (85, 3015636), (102, 2513030), (130, 1971762), (156, 1643135), (169, 1516740), (170, 1507818), (195, 1314508), (204, 1256515), (221, 1159860), (255, 1005212), (260, 985881), (338, 758370), (340, 753909), (390, 657254), (442, 579930), (507, 505580), (510, 502606), (663, 386620), (676, 379185), (780, 328627), (845, 303348), (884, 289965), (1014, 252790), (1020, 251303), (1105, 231972), (1326, 193310), (1487, 172380), (1690, 151674), (2028, 126395), (2210, 115986), (2535, 101116), (2652, 96655), (2873, 89220), (2974, 86190), (3315, 77324), (3380, 75837), (4420, 57993), (4461, 57460), (5070, 50558), (5746, 44610), (5948, 43095), (6630, 38662), (7435, 34476), (8619, 29740), (8922, 28730), (10140, 25279), (11492, 22305), (13260, 19331), (14365, 17844), (14870, 17238)]