51284940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5309}}^1$

素因数の和:5351

約数の個数: 96

約数和(自身を含む): 171279360

約数和(自身を除く): 119994420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 5309, 9660, 10618, 15927, 21236, 26545, 31854, 37163, 53090, 63708, 74326, 79635, 106180, 111489, 122107, 148652, 159270, 185815, 222978, 244214, 318540, 366321, 371630, 445956, 488428, 557445, 610535, 732642, 743260, 854749, 1114890, 1221070, 1465284, 1709498, 1831605, 2229780, 2442140, 2564247, 3418996, 3663210, 4273745, 5128494, 7326420, 8547490, 10256988, 12821235, 17094980, 25642470, 51284940]

約数ペア:

[(1, 51284940), (2, 25642470), (3, 17094980), (4, 12821235), (5, 10256988), (6, 8547490), (7, 7326420), (10, 5128494), (12, 4273745), (14, 3663210), (15, 3418996), (20, 2564247), (21, 2442140), (23, 2229780), (28, 1831605), (30, 1709498), (35, 1465284), (42, 1221070), (46, 1114890), (60, 854749), (69, 743260), (70, 732642), (84, 610535), (92, 557445), (105, 488428), (115, 445956), (138, 371630), (140, 366321), (161, 318540), (210, 244214), (230, 222978), (276, 185815), (322, 159270), (345, 148652), (420, 122107), (460, 111489), (483, 106180), (644, 79635), (690, 74326), (805, 63708), (966, 53090), (1380, 37163), (1610, 31854), (1932, 26545), (2415, 21236), (3220, 15927), (4830, 10618), (5309, 9660)]