28657080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3461}}^1$

素因数の和:3501

約数の個数: 96

約数和(自身を含む): 97212960

約数和(自身を除く): 68555880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 3461, 4140, 6922, 8280, 10383, 13844, 17305, 20766, 27688, 31149, 34610, 41532, 51915, 62298, 69220, 79603, 83064, 103830, 124596, 138440, 155745, 159206, 207660, 238809, 249192, 311490, 318412, 398015, 415320, 477618, 622980, 636824, 716427, 796030, 955236, 1194045, 1245960, 1432854, 1592060, 1910472, 2388090, 2865708, 3184120, 3582135, 4776180, 5731416, 7164270, 9552360, 14328540, 28657080]

約数ペア:

[(1, 28657080), (2, 14328540), (3, 9552360), (4, 7164270), (5, 5731416), (6, 4776180), (8, 3582135), (9, 3184120), (10, 2865708), (12, 2388090), (15, 1910472), (18, 1592060), (20, 1432854), (23, 1245960), (24, 1194045), (30, 955236), (36, 796030), (40, 716427), (45, 636824), (46, 622980), (60, 477618), (69, 415320), (72, 398015), (90, 318412), (92, 311490), (115, 249192), (120, 238809), (138, 207660), (180, 159206), (184, 155745), (207, 138440), (230, 124596), (276, 103830), (345, 83064), (360, 79603), (414, 69220), (460, 62298), (552, 51915), (690, 41532), (828, 34610), (920, 31149), (1035, 27688), (1380, 20766), (1656, 17305), (2070, 13844), (2760, 10383), (3461, 8280), (4140, 6922)]