1279916640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1619}}^1$

素因数の和:1707

約数の個数: 240

約数和(自身を含む): 4593924720

約数和(自身を除く): 3314008080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 288, 305, 324, 360, 366, 405, 432, 480, 488, 540, 549, 610, 648, 720, 732, 810, 864, 915, 976, 1080, 1098, 1220, 1296, 1440, 1464, 1619, 1620, 1647, 1830, 1952, 2160, 2196, 2440, 2592, 2745, 2928, 3238, 3240, 3294, 3660, 4320, 4392, 4857, 4880, 4941, 5490, 5856, 6476, 6480, 6588, 7320, 8095, 8235, 8784, 9714, 9760, 9882, 10980, 12952, 12960, 13176, 14571, 14640, 16190, 16470, 17568, 19428, 19764, 21960, 24285, 24705, 25904, 26352, 29142, 29280, 32380, 32940, 38856, 39528, 43713, 43920, 48570, 49410, 51808, 52704, 58284, 64760, 65880, 72855, 77712, 79056, 87426, 87840, 97140, 98759, 98820, 116568, 129520, 131139, 131760, 145710, 155424, 158112, 174852, 194280, 197518, 197640, 218565, 233136, 259040, 262278, 263520, 291420, 296277, 349704, 388560, 395036, 395280, 437130, 466272, 493795, 524556, 582840, 592554, 655695, 699408, 777120, 790072, 790560, 874260, 888831, 987590, 1049112, 1165680, 1185108, 1311390, 1398816, 1481385, 1580144, 1748520, 1777662, 1975180, 2098224, 2331360, 2370216, 2622780, 2666493, 2962770, 3160288, 3497040, 3555324, 3950360, 4196448, 4444155, 4740432, 5245560, 5332986, 5925540, 6994080, 7110648, 7900720, 7999479, 8888310, 9480864, 10491120, 10665972, 11851080, 13332465, 14221296, 15801440, 15998958, 17776620, 20982240, 21331944, 23702160, 26664930, 28442592, 31997916, 35553240, 39997395, 42663888, 47404320, 53329860, 63995832, 71106480, 79994790, 85327776, 106659720, 127991664, 142212960, 159989580, 213319440, 255983328, 319979160, 426638880, 639958320, 1279916640]

約数ペア:

[(1, 1279916640), (2, 639958320), (3, 426638880), (4, 319979160), (5, 255983328), (6, 213319440), (8, 159989580), (9, 142212960), (10, 127991664), (12, 106659720), (15, 85327776), (16, 79994790), (18, 71106480), (20, 63995832), (24, 53329860), (27, 47404320), (30, 42663888), (32, 39997395), (36, 35553240), (40, 31997916), (45, 28442592), (48, 26664930), (54, 23702160), (60, 21331944), (61, 20982240), (72, 17776620), (80, 15998958), (81, 15801440), (90, 14221296), (96, 13332465), (108, 11851080), (120, 10665972), (122, 10491120), (135, 9480864), (144, 8888310), (160, 7999479), (162, 7900720), (180, 7110648), (183, 6994080), (216, 5925540), (240, 5332986), (244, 5245560), (270, 4740432), (288, 4444155), (305, 4196448), (324, 3950360), (360, 3555324), (366, 3497040), (405, 3160288), (432, 2962770), (480, 2666493), (488, 2622780), (540, 2370216), (549, 2331360), (610, 2098224), (648, 1975180), (720, 1777662), (732, 1748520), (810, 1580144), (864, 1481385), (915, 1398816), (976, 1311390), (1080, 1185108), (1098, 1165680), (1220, 1049112), (1296, 987590), (1440, 888831), (1464, 874260), (1619, 790560), (1620, 790072), (1647, 777120), (1830, 699408), (1952, 655695), (2160, 592554), (2196, 582840), (2440, 524556), (2592, 493795), (2745, 466272), (2928, 437130), (3238, 395280), (3240, 395036), (3294, 388560), (3660, 349704), (4320, 296277), (4392, 291420), (4857, 263520), (4880, 262278), (4941, 259040), (5490, 233136), (5856, 218565), (6476, 197640), (6480, 197518), (6588, 194280), (7320, 174852), (8095, 158112), (8235, 155424), (8784, 145710), (9714, 131760), (9760, 131139), (9882, 129520), (10980, 116568), (12952, 98820), (12960, 98759), (13176, 97140), (14571, 87840), (14640, 87426), (16190, 79056), (16470, 77712), (17568, 72855), (19428, 65880), (19764, 64760), (21960, 58284), (24285, 52704), (24705, 51808), (25904, 49410), (26352, 48570), (29142, 43920), (29280, 43713), (32380, 39528), (32940, 38856)]