180804960

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{1993}}^1$

素因数の和:2027

約数の個数: 240

約数和(自身を含む): 729612576

約数和(自身を除く): 548807616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 1993, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 3986, 4320, 4536, 5040, 5670, 5979, 6048, 6480, 7560, 7972, 9072, 9965, 10080, 11340, 11958, 12960, 13951, 15120, 15944, 17937, 18144, 19930, 22680, 23916, 27902, 29895, 30240, 31888, 35874, 39860, 41853, 45360, 47832, 53811, 55804, 59790, 63776, 69755, 71748, 79720, 83706, 89685, 90720, 95664, 107622, 111608, 119580, 125559, 139510, 143496, 159440, 161433, 167412, 179370, 191328, 209265, 215244, 223216, 239160, 251118, 269055, 279020, 286992, 318880, 322866, 334824, 358740, 376677, 418530, 430488, 446432, 478320, 502236, 538110, 558040, 573984, 627795, 645732, 669648, 717480, 753354, 807165, 837060, 860976, 956640, 1004472, 1076220, 1116080, 1130031, 1255590, 1291464, 1339296, 1434960, 1506708, 1614330, 1674120, 1721952, 1883385, 2008944, 2152440, 2232160, 2260062, 2511180, 2582928, 2869920, 3013416, 3228660, 3348240, 3766770, 4017888, 4304880, 4520124, 5022360, 5165856, 5650155, 6026832, 6457320, 6696480, 7533540, 8609760, 9040248, 10044720, 11300310, 12053664, 12914640, 15067080, 18080496, 20089440, 22600620, 25829280, 30134160, 36160992, 45201240, 60268320, 90402480, 180804960]

約数ペア:

[(1, 180804960), (2, 90402480), (3, 60268320), (4, 45201240), (5, 36160992), (6, 30134160), (7, 25829280), (8, 22600620), (9, 20089440), (10, 18080496), (12, 15067080), (14, 12914640), (15, 12053664), (16, 11300310), (18, 10044720), (20, 9040248), (21, 8609760), (24, 7533540), (27, 6696480), (28, 6457320), (30, 6026832), (32, 5650155), (35, 5165856), (36, 5022360), (40, 4520124), (42, 4304880), (45, 4017888), (48, 3766770), (54, 3348240), (56, 3228660), (60, 3013416), (63, 2869920), (70, 2582928), (72, 2511180), (80, 2260062), (81, 2232160), (84, 2152440), (90, 2008944), (96, 1883385), (105, 1721952), (108, 1674120), (112, 1614330), (120, 1506708), (126, 1434960), (135, 1339296), (140, 1291464), (144, 1255590), (160, 1130031), (162, 1116080), (168, 1076220), (180, 1004472), (189, 956640), (210, 860976), (216, 837060), (224, 807165), (240, 753354), (252, 717480), (270, 669648), (280, 645732), (288, 627795), (315, 573984), (324, 558040), (336, 538110), (360, 502236), (378, 478320), (405, 446432), (420, 430488), (432, 418530), (480, 376677), (504, 358740), (540, 334824), (560, 322866), (567, 318880), (630, 286992), (648, 279020), (672, 269055), (720, 251118), (756, 239160), (810, 223216), (840, 215244), (864, 209265), (945, 191328), (1008, 179370), (1080, 167412), (1120, 161433), (1134, 159440), (1260, 143496), (1296, 139510), (1440, 125559), (1512, 119580), (1620, 111608), (1680, 107622), (1890, 95664), (1993, 90720), (2016, 89685), (2160, 83706), (2268, 79720), (2520, 71748), (2592, 69755), (2835, 63776), (3024, 59790), (3240, 55804), (3360, 53811), (3780, 47832), (3986, 45360), (4320, 41853), (4536, 39860), (5040, 35874), (5670, 31888), (5979, 30240), (6048, 29895), (6480, 27902), (7560, 23916), (7972, 22680), (9072, 19930), (9965, 18144), (10080, 17937), (11340, 15944), (11958, 15120), (12960, 13951)]