27648880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 74370240

約数和(自身を除く): 46721360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 509, 560, 679, 776, 970, 1018, 1358, 1552, 1940, 2036, 2545, 2716, 3395, 3563, 3880, 4072, 5090, 5432, 6790, 7126, 7760, 8144, 10180, 10864, 13580, 14252, 17815, 20360, 27160, 28504, 35630, 40720, 49373, 54320, 57008, 71260, 98746, 142520, 197492, 246865, 285040, 345611, 394984, 493730, 691222, 789968, 987460, 1382444, 1728055, 1974920, 2764888, 3456110, 3949840, 5529776, 6912220, 13824440, 27648880]

約数ペア:

[(1, 27648880), (2, 13824440), (4, 6912220), (5, 5529776), (7, 3949840), (8, 3456110), (10, 2764888), (14, 1974920), (16, 1728055), (20, 1382444), (28, 987460), (35, 789968), (40, 691222), (56, 493730), (70, 394984), (80, 345611), (97, 285040), (112, 246865), (140, 197492), (194, 142520), (280, 98746), (388, 71260), (485, 57008), (509, 54320), (560, 49373), (679, 40720), (776, 35630), (970, 28504), (1018, 27160), (1358, 20360), (1552, 17815), (1940, 14252), (2036, 13580), (2545, 10864), (2716, 10180), (3395, 8144), (3563, 7760), (3880, 7126), (4072, 6790), (5090, 5432)]