285156720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1480

約数の個数: 160

約数和(自身を含む): 993061440

約数和(自身を除く): 707904720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 97, 108, 120, 135, 144, 180, 194, 216, 240, 270, 291, 360, 388, 432, 485, 540, 582, 720, 776, 873, 970, 1080, 1164, 1361, 1455, 1552, 1746, 1940, 2160, 2328, 2619, 2722, 2910, 3492, 3880, 4083, 4365, 4656, 5238, 5444, 5820, 6805, 6984, 7760, 8166, 8730, 10476, 10888, 11640, 12249, 13095, 13610, 13968, 16332, 17460, 20415, 20952, 21776, 23280, 24498, 26190, 27220, 32664, 34920, 36747, 40830, 41904, 48996, 52380, 54440, 61245, 65328, 69840, 73494, 81660, 97992, 104760, 108880, 122490, 132017, 146988, 163320, 183735, 195984, 209520, 244980, 264034, 293976, 326640, 367470, 396051, 489960, 528068, 587952, 660085, 734940, 792102, 979920, 1056136, 1188153, 1320170, 1469880, 1584204, 1980255, 2112272, 2376306, 2640340, 2939760, 3168408, 3564459, 3960510, 4752612, 5280680, 5940765, 6336816, 7128918, 7921020, 9505224, 10561360, 11881530, 14257836, 15842040, 17822295, 19010448, 23763060, 28515672, 31684080, 35644590, 47526120, 57031344, 71289180, 95052240, 142578360, 285156720]

約数ペア:

[(1, 285156720), (2, 142578360), (3, 95052240), (4, 71289180), (5, 57031344), (6, 47526120), (8, 35644590), (9, 31684080), (10, 28515672), (12, 23763060), (15, 19010448), (16, 17822295), (18, 15842040), (20, 14257836), (24, 11881530), (27, 10561360), (30, 9505224), (36, 7921020), (40, 7128918), (45, 6336816), (48, 5940765), (54, 5280680), (60, 4752612), (72, 3960510), (80, 3564459), (90, 3168408), (97, 2939760), (108, 2640340), (120, 2376306), (135, 2112272), (144, 1980255), (180, 1584204), (194, 1469880), (216, 1320170), (240, 1188153), (270, 1056136), (291, 979920), (360, 792102), (388, 734940), (432, 660085), (485, 587952), (540, 528068), (582, 489960), (720, 396051), (776, 367470), (873, 326640), (970, 293976), (1080, 264034), (1164, 244980), (1361, 209520), (1455, 195984), (1552, 183735), (1746, 163320), (1940, 146988), (2160, 132017), (2328, 122490), (2619, 108880), (2722, 104760), (2910, 97992), (3492, 81660), (3880, 73494), (4083, 69840), (4365, 65328), (4656, 61245), (5238, 54440), (5444, 52380), (5820, 48996), (6805, 41904), (6984, 40830), (7760, 36747), (8166, 34920), (8730, 32664), (10476, 27220), (10888, 26190), (11640, 24498), (12249, 23280), (13095, 21776), (13610, 20952), (13968, 20415), (16332, 17460)]