280863720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8389}}^1$

素因数の和:8440

約数の個数: 128

約数和(自身を含む): 966528000

約数和(自身を除く): 685664280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 8389, 11160, 16740, 16778, 25167, 33480, 33556, 41945, 50334, 67112, 75501, 83890, 100668, 125835, 151002, 167780, 201336, 226503, 251670, 260059, 302004, 335560, 377505, 453006, 503340, 520118, 604008, 755010, 780177, 906012, 1006680, 1040236, 1132515, 1300295, 1510020, 1560354, 1812024, 2080472, 2265030, 2340531, 2600590, 3020040, 3120708, 3900885, 4530060, 4681062, 5201180, 6241416, 7021593, 7801770, 9060120, 9362124, 10402360, 11702655, 14043186, 15603540, 18724248, 23405310, 28086372, 31207080, 35107965, 46810620, 56172744, 70215930, 93621240, 140431860, 280863720]

約数ペア:

[(1, 280863720), (2, 140431860), (3, 93621240), (4, 70215930), (5, 56172744), (6, 46810620), (8, 35107965), (9, 31207080), (10, 28086372), (12, 23405310), (15, 18724248), (18, 15603540), (20, 14043186), (24, 11702655), (27, 10402360), (30, 9362124), (31, 9060120), (36, 7801770), (40, 7021593), (45, 6241416), (54, 5201180), (60, 4681062), (62, 4530060), (72, 3900885), (90, 3120708), (93, 3020040), (108, 2600590), (120, 2340531), (124, 2265030), (135, 2080472), (155, 1812024), (180, 1560354), (186, 1510020), (216, 1300295), (248, 1132515), (270, 1040236), (279, 1006680), (310, 906012), (360, 780177), (372, 755010), (465, 604008), (540, 520118), (558, 503340), (620, 453006), (744, 377505), (837, 335560), (930, 302004), (1080, 260059), (1116, 251670), (1240, 226503), (1395, 201336), (1674, 167780), (1860, 151002), (2232, 125835), (2790, 100668), (3348, 83890), (3720, 75501), (4185, 67112), (5580, 50334), (6696, 41945), (8370, 33556), (8389, 33480), (11160, 25167), (16740, 16778)]