2018278980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{487507}}^1$

素因数の和:487545

約数の個数: 72

約数和(自身を含む): 6388304832

約数和(自身を除く): 4370025852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 487507, 975014, 1462521, 1950028, 2437535, 2925042, 4387563, 4875070, 5850084, 7312605, 8775126, 9750140, 11212661, 14625210, 17550252, 21937815, 22425322, 29250420, 33637983, 43875630, 44850644, 56063305, 67275966, 87751260, 100913949, 112126610, 134551932, 168189915, 201827898, 224253220, 336379830, 403655796, 504569745, 672759660, 1009139490, 2018278980]

約数ペア:

[(1, 2018278980), (2, 1009139490), (3, 672759660), (4, 504569745), (5, 403655796), (6, 336379830), (9, 224253220), (10, 201827898), (12, 168189915), (15, 134551932), (18, 112126610), (20, 100913949), (23, 87751260), (30, 67275966), (36, 56063305), (45, 44850644), (46, 43875630), (60, 33637983), (69, 29250420), (90, 22425322), (92, 21937815), (115, 17550252), (138, 14625210), (180, 11212661), (207, 9750140), (230, 8775126), (276, 7312605), (345, 5850084), (414, 4875070), (460, 4387563), (690, 2925042), (828, 2437535), (1035, 1950028), (1380, 1462521), (2070, 975014), (4140, 487507)]