393936480

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{1861}}^1$

素因数の和:1899

約数の個数: 288

約数和(自身を含む): 1604746080

約数和(自身を除く): 1210809600

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, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1861, 1890, 1960, 2016, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3360, 3528, 3722, 3780, 3920, 4320, 4410, 4704, 5040, 5292, 5583, 5880, 6048, 6615, 7056, 7444, 7560, 7840, 8820, 9305, 10080, 10584, 11166, 11760, 13027, 13230, 14112, 14888, 15120, 16749, 17640, 18610, 21168, 22332, 23520, 26054, 26460, 27915, 29776, 30240, 33498, 35280, 37220, 39081, 42336, 44664, 50247, 52108, 52920, 55830, 59552, 65135, 66996, 70560, 74440, 78162, 83745, 89328, 91189, 100494, 104216, 105840, 111660, 117243, 130270, 133992, 148880, 156324, 167490, 178656, 182378, 195405, 200988, 208432, 211680, 223320, 234486, 251235, 260540, 267984, 273567, 297760, 312648, 334980, 351729, 364756, 390810, 401976, 416864, 446640, 455945, 468972, 502470, 521080, 535968, 547134, 586215, 625296, 669960, 703458, 729512, 781620, 803952, 820701, 893280, 911890, 937944, 1004940, 1042160, 1094268, 1172430, 1250592, 1339920, 1367835, 1406916, 1459024, 1563240, 1607904, 1641402, 1758645, 1823780, 1875888, 2009880, 2084320, 2188536, 2344860, 2462103, 2679840, 2735670, 2813832, 2918048, 3126480, 3282804, 3517290, 3647560, 3751776, 4019760, 4103505, 4377072, 4689720, 4924206, 5471340, 5627664, 6252960, 6565608, 7034580, 7295120, 8039520, 8207010, 8754144, 9379440, 9848412, 10942680, 11255328, 12310515, 13131216, 14069160, 14590240, 16414020, 18758880, 19696824, 21885360, 24621030, 26262432, 28138320, 32828040, 39393648, 43770720, 49242060, 56276640, 65656080, 78787296, 98484120, 131312160, 196968240, 393936480]

約数ペア:

[(1, 393936480), (2, 196968240), (3, 131312160), (4, 98484120), (5, 78787296), (6, 65656080), (7, 56276640), (8, 49242060), (9, 43770720), (10, 39393648), (12, 32828040), (14, 28138320), (15, 26262432), (16, 24621030), (18, 21885360), (20, 19696824), (21, 18758880), (24, 16414020), (27, 14590240), (28, 14069160), (30, 13131216), (32, 12310515), (35, 11255328), (36, 10942680), (40, 9848412), (42, 9379440), (45, 8754144), (48, 8207010), (49, 8039520), (54, 7295120), (56, 7034580), (60, 6565608), (63, 6252960), (70, 5627664), (72, 5471340), (80, 4924206), (84, 4689720), (90, 4377072), (96, 4103505), (98, 4019760), (105, 3751776), (108, 3647560), (112, 3517290), (120, 3282804), (126, 3126480), (135, 2918048), (140, 2813832), (144, 2735670), (147, 2679840), (160, 2462103), (168, 2344860), (180, 2188536), (189, 2084320), (196, 2009880), (210, 1875888), (216, 1823780), (224, 1758645), (240, 1641402), (245, 1607904), (252, 1563240), (270, 1459024), (280, 1406916), (288, 1367835), (294, 1339920), (315, 1250592), (336, 1172430), (360, 1094268), (378, 1042160), (392, 1004940), (420, 937944), (432, 911890), (441, 893280), (480, 820701), (490, 803952), (504, 781620), (540, 729512), (560, 703458), (588, 669960), (630, 625296), (672, 586215), (720, 547134), (735, 535968), (756, 521080), (784, 502470), (840, 468972), (864, 455945), (882, 446640), (945, 416864), (980, 401976), (1008, 390810), (1080, 364756), (1120, 351729), (1176, 334980), (1260, 312648), (1323, 297760), (1440, 273567), (1470, 267984), (1512, 260540), (1568, 251235), (1680, 234486), (1764, 223320), (1861, 211680), (1890, 208432), (1960, 200988), (2016, 195405), (2160, 182378), (2205, 178656), (2352, 167490), (2520, 156324), (2646, 148880), (2940, 133992), (3024, 130270), (3360, 117243), (3528, 111660), (3722, 105840), (3780, 104216), (3920, 100494), (4320, 91189), (4410, 89328), (4704, 83745), (5040, 78162), (5292, 74440), (5583, 70560), (5880, 66996), (6048, 65135), (6615, 59552), (7056, 55830), (7444, 52920), (7560, 52108), (7840, 50247), (8820, 44664), (9305, 42336), (10080, 39081), (10584, 37220), (11166, 35280), (11760, 33498), (13027, 30240), (13230, 29776), (14112, 27915), (14888, 26460), (15120, 26054), (16749, 23520), (17640, 22332), (18610, 21168)]