128942520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{21929}}^1$

素因数の和:21957

約数の個数: 96

約数和(自身を含む): 450003600

約数和(自身を除く): 321061080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 21929, 43858, 65787, 87716, 109645, 131574, 153503, 175432, 219290, 263148, 307006, 328935, 438580, 460509, 526296, 614012, 657870, 767515, 877160, 921018, 1074521, 1228024, 1315740, 1535030, 1842036, 2149042, 2302545, 2631480, 3070060, 3223563, 3684072, 4298084, 4605090, 5372605, 6140120, 6447126, 8596168, 9210180, 10745210, 12894252, 16117815, 18420360, 21490420, 25788504, 32235630, 42980840, 64471260, 128942520]

約数ペア:

[(1, 128942520), (2, 64471260), (3, 42980840), (4, 32235630), (5, 25788504), (6, 21490420), (7, 18420360), (8, 16117815), (10, 12894252), (12, 10745210), (14, 9210180), (15, 8596168), (20, 6447126), (21, 6140120), (24, 5372605), (28, 4605090), (30, 4298084), (35, 3684072), (40, 3223563), (42, 3070060), (49, 2631480), (56, 2302545), (60, 2149042), (70, 1842036), (84, 1535030), (98, 1315740), (105, 1228024), (120, 1074521), (140, 921018), (147, 877160), (168, 767515), (196, 657870), (210, 614012), (245, 526296), (280, 460509), (294, 438580), (392, 328935), (420, 307006), (490, 263148), (588, 219290), (735, 175432), (840, 153503), (980, 131574), (1176, 109645), (1470, 87716), (1960, 65787), (2940, 43858), (5880, 21929)]