1639685040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{139429}}^1$

素因数の和:139459

約数の個数: 120

約数和(自身を含む): 5912947440

約数和(自身を除く): 4273262400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 139429, 278858, 418287, 557716, 697145, 836574, 976003, 1115432, 1394290, 1673148, 1952006, 2091435, 2230864, 2788580, 2928009, 3346296, 3904012, 4182870, 4880015, 5577160, 5856018, 6692592, 6832021, 7808024, 8365740, 9760030, 11154320, 11712036, 13664042, 14640045, 15616048, 16731480, 19520060, 20496063, 23424072, 27328084, 29280090, 33462960, 34160105, 39040120, 40992126, 46848144, 54656168, 58560180, 68320210, 78080240, 81984252, 102480315, 109312336, 117120360, 136640420, 163968504, 204960630, 234240720, 273280840, 327937008, 409921260, 546561680, 819842520, 1639685040]

約数ペア:

[(1, 1639685040), (2, 819842520), (3, 546561680), (4, 409921260), (5, 327937008), (6, 273280840), (7, 234240720), (8, 204960630), (10, 163968504), (12, 136640420), (14, 117120360), (15, 109312336), (16, 102480315), (20, 81984252), (21, 78080240), (24, 68320210), (28, 58560180), (30, 54656168), (35, 46848144), (40, 40992126), (42, 39040120), (48, 34160105), (49, 33462960), (56, 29280090), (60, 27328084), (70, 23424072), (80, 20496063), (84, 19520060), (98, 16731480), (105, 15616048), (112, 14640045), (120, 13664042), (140, 11712036), (147, 11154320), (168, 9760030), (196, 8365740), (210, 7808024), (240, 6832021), (245, 6692592), (280, 5856018), (294, 5577160), (336, 4880015), (392, 4182870), (420, 3904012), (490, 3346296), (560, 2928009), (588, 2788580), (735, 2230864), (784, 2091435), (840, 1952006), (980, 1673148), (1176, 1394290), (1470, 1115432), (1680, 976003), (1960, 836574), (2352, 697145), (2940, 557716), (3920, 418287), (5880, 278858), (11760, 139429)]