999979920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{7759}}^1$

素因数の和:7957

約数の個数: 120

約数和(自身を含む): 3377462400

約数和(自身を除く): 2377482480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 179, 180, 240, 358, 360, 537, 716, 720, 895, 1074, 1432, 1611, 1790, 2148, 2685, 2864, 3222, 3580, 4296, 5370, 6444, 7160, 7759, 8055, 8592, 10740, 12888, 14320, 15518, 16110, 21480, 23277, 25776, 31036, 32220, 38795, 42960, 46554, 62072, 64440, 69831, 77590, 93108, 116385, 124144, 128880, 139662, 155180, 186216, 232770, 279324, 310360, 349155, 372432, 465540, 558648, 620720, 698310, 931080, 1117296, 1388861, 1396620, 1862160, 2777722, 2793240, 4166583, 5555444, 5586480, 6944305, 8333166, 11110888, 12499749, 13888610, 16666332, 20832915, 22221776, 24999498, 27777220, 33332664, 41665830, 49998996, 55554440, 62498745, 66665328, 83331660, 99997992, 111108880, 124997490, 166663320, 199995984, 249994980, 333326640, 499989960, 999979920]

約数ペア:

[(1, 999979920), (2, 499989960), (3, 333326640), (4, 249994980), (5, 199995984), (6, 166663320), (8, 124997490), (9, 111108880), (10, 99997992), (12, 83331660), (15, 66665328), (16, 62498745), (18, 55554440), (20, 49998996), (24, 41665830), (30, 33332664), (36, 27777220), (40, 24999498), (45, 22221776), (48, 20832915), (60, 16666332), (72, 13888610), (80, 12499749), (90, 11110888), (120, 8333166), (144, 6944305), (179, 5586480), (180, 5555444), (240, 4166583), (358, 2793240), (360, 2777722), (537, 1862160), (716, 1396620), (720, 1388861), (895, 1117296), (1074, 931080), (1432, 698310), (1611, 620720), (1790, 558648), (2148, 465540), (2685, 372432), (2864, 349155), (3222, 310360), (3580, 279324), (4296, 232770), (5370, 186216), (6444, 155180), (7160, 139662), (7759, 128880), (8055, 124144), (8592, 116385), (10740, 93108), (12888, 77590), (14320, 69831), (15518, 64440), (16110, 62072), (21480, 46554), (23277, 42960), (25776, 38795), (31036, 32220)]