17981040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 240

約数和(自身を含む): 71245440

約数和(自身を除く): 53264400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 139, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 264, 278, 280, 294, 308, 330, 336, 385, 392, 417, 420, 440, 462, 490, 528, 539, 556, 560, 588, 616, 660, 695, 735, 770, 784, 834, 840, 880, 924, 973, 980, 1078, 1112, 1155, 1176, 1232, 1320, 1390, 1470, 1529, 1540, 1617, 1668, 1680, 1848, 1946, 1960, 2085, 2156, 2224, 2310, 2352, 2640, 2695, 2780, 2919, 2940, 3058, 3080, 3234, 3336, 3696, 3892, 3920, 4170, 4312, 4587, 4620, 4865, 5390, 5560, 5838, 5880, 6116, 6160, 6468, 6672, 6811, 7645, 7784, 8085, 8340, 8624, 9174, 9240, 9730, 10703, 10780, 11120, 11676, 11760, 12232, 12936, 13622, 14595, 15290, 15568, 16170, 16680, 18348, 18480, 19460, 20433, 21406, 21560, 22935, 23352, 24464, 25872, 27244, 29190, 30580, 32109, 32340, 33360, 34055, 36696, 38920, 40866, 42812, 43120, 45870, 46704, 53515, 54488, 58380, 61160, 64218, 64680, 68110, 73392, 74921, 77840, 81732, 85624, 91740, 102165, 107030, 108976, 116760, 122320, 128436, 129360, 136220, 149842, 160545, 163464, 171248, 183480, 204330, 214060, 224763, 233520, 256872, 272440, 299684, 321090, 326928, 366960, 374605, 408660, 428120, 449526, 513744, 544880, 599368, 642180, 749210, 817320, 856240, 899052, 1123815, 1198736, 1284360, 1498420, 1634640, 1798104, 2247630, 2568720, 2996840, 3596208, 4495260, 5993680, 8990520, 17981040]

約数ペア:

[(1, 17981040), (2, 8990520), (3, 5993680), (4, 4495260), (5, 3596208), (6, 2996840), (7, 2568720), (8, 2247630), (10, 1798104), (11, 1634640), (12, 1498420), (14, 1284360), (15, 1198736), (16, 1123815), (20, 899052), (21, 856240), (22, 817320), (24, 749210), (28, 642180), (30, 599368), (33, 544880), (35, 513744), (40, 449526), (42, 428120), (44, 408660), (48, 374605), (49, 366960), (55, 326928), (56, 321090), (60, 299684), (66, 272440), (70, 256872), (77, 233520), (80, 224763), (84, 214060), (88, 204330), (98, 183480), (105, 171248), (110, 163464), (112, 160545), (120, 149842), (132, 136220), (139, 129360), (140, 128436), (147, 122320), (154, 116760), (165, 108976), (168, 107030), (176, 102165), (196, 91740), (210, 85624), (220, 81732), (231, 77840), (240, 74921), (245, 73392), (264, 68110), (278, 64680), (280, 64218), (294, 61160), (308, 58380), (330, 54488), (336, 53515), (385, 46704), (392, 45870), (417, 43120), (420, 42812), (440, 40866), (462, 38920), (490, 36696), (528, 34055), (539, 33360), (556, 32340), (560, 32109), (588, 30580), (616, 29190), (660, 27244), (695, 25872), (735, 24464), (770, 23352), (784, 22935), (834, 21560), (840, 21406), (880, 20433), (924, 19460), (973, 18480), (980, 18348), (1078, 16680), (1112, 16170), (1155, 15568), (1176, 15290), (1232, 14595), (1320, 13622), (1390, 12936), (1470, 12232), (1529, 11760), (1540, 11676), (1617, 11120), (1668, 10780), (1680, 10703), (1848, 9730), (1946, 9240), (1960, 9174), (2085, 8624), (2156, 8340), (2224, 8085), (2310, 7784), (2352, 7645), (2640, 6811), (2695, 6672), (2780, 6468), (2919, 6160), (2940, 6116), (3058, 5880), (3080, 5838), (3234, 5560), (3336, 5390), (3696, 4865), (3892, 4620), (3920, 4587), (4170, 4312)]