2161188720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:648

約数の個数: 240

約数和(自身を含む): 7494832800

約数和(自身を除く): 5333644080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 179, 180, 205, 240, 246, 328, 358, 360, 369, 409, 410, 492, 537, 615, 656, 716, 720, 738, 818, 820, 895, 984, 1074, 1227, 1230, 1432, 1476, 1611, 1636, 1640, 1790, 1845, 1968, 2045, 2148, 2454, 2460, 2685, 2864, 2952, 3222, 3272, 3280, 3580, 3681, 3690, 4090, 4296, 4908, 4920, 5370, 5904, 6135, 6444, 6544, 7160, 7339, 7362, 7380, 8055, 8180, 8592, 9816, 9840, 10740, 12270, 12888, 14320, 14678, 14724, 14760, 16110, 16360, 16769, 18405, 19632, 21480, 22017, 24540, 25776, 29356, 29448, 29520, 32220, 32720, 33538, 36695, 36810, 42960, 44034, 49080, 50307, 58712, 58896, 64440, 66051, 67076, 73211, 73390, 73620, 83845, 88068, 98160, 100614, 110085, 117424, 128880, 132102, 134152, 146422, 146780, 147240, 150921, 167690, 176136, 201228, 219633, 220170, 251535, 264204, 268304, 292844, 293560, 294480, 301842, 330255, 335380, 352272, 366055, 402456, 439266, 440340, 503070, 528408, 585688, 587120, 603684, 658899, 660510, 670760, 732110, 754605, 804912, 878532, 880680, 1006140, 1056816, 1098165, 1171376, 1207368, 1317798, 1321020, 1341520, 1464220, 1509210, 1757064, 1761360, 2012280, 2196330, 2414736, 2635596, 2642040, 2928440, 3001651, 3018420, 3294495, 3514128, 4024560, 4392660, 5271192, 5284080, 5856880, 6003302, 6036840, 6588990, 8785320, 9004953, 10542384, 12006604, 12073680, 13177980, 15008255, 17570640, 18009906, 24013208, 26355960, 27014859, 30016510, 36019812, 45024765, 48026416, 52711920, 54029718, 60033020, 72039624, 90049530, 108059436, 120066040, 135074295, 144079248, 180099060, 216118872, 240132080, 270148590, 360198120, 432237744, 540297180, 720396240, 1080594360, 2161188720]

約数ペア:

[(1, 2161188720), (2, 1080594360), (3, 720396240), (4, 540297180), (5, 432237744), (6, 360198120), (8, 270148590), (9, 240132080), (10, 216118872), (12, 180099060), (15, 144079248), (16, 135074295), (18, 120066040), (20, 108059436), (24, 90049530), (30, 72039624), (36, 60033020), (40, 54029718), (41, 52711920), (45, 48026416), (48, 45024765), (60, 36019812), (72, 30016510), (80, 27014859), (82, 26355960), (90, 24013208), (120, 18009906), (123, 17570640), (144, 15008255), (164, 13177980), (179, 12073680), (180, 12006604), (205, 10542384), (240, 9004953), (246, 8785320), (328, 6588990), (358, 6036840), (360, 6003302), (369, 5856880), (409, 5284080), (410, 5271192), (492, 4392660), (537, 4024560), (615, 3514128), (656, 3294495), (716, 3018420), (720, 3001651), (738, 2928440), (818, 2642040), (820, 2635596), (895, 2414736), (984, 2196330), (1074, 2012280), (1227, 1761360), (1230, 1757064), (1432, 1509210), (1476, 1464220), (1611, 1341520), (1636, 1321020), (1640, 1317798), (1790, 1207368), (1845, 1171376), (1968, 1098165), (2045, 1056816), (2148, 1006140), (2454, 880680), (2460, 878532), (2685, 804912), (2864, 754605), (2952, 732110), (3222, 670760), (3272, 660510), (3280, 658899), (3580, 603684), (3681, 587120), (3690, 585688), (4090, 528408), (4296, 503070), (4908, 440340), (4920, 439266), (5370, 402456), (5904, 366055), (6135, 352272), (6444, 335380), (6544, 330255), (7160, 301842), (7339, 294480), (7362, 293560), (7380, 292844), (8055, 268304), (8180, 264204), (8592, 251535), (9816, 220170), (9840, 219633), (10740, 201228), (12270, 176136), (12888, 167690), (14320, 150921), (14678, 147240), (14724, 146780), (14760, 146422), (16110, 134152), (16360, 132102), (16769, 128880), (18405, 117424), (19632, 110085), (21480, 100614), (22017, 98160), (24540, 88068), (25776, 83845), (29356, 73620), (29448, 73390), (29520, 73211), (32220, 67076), (32720, 66051), (33538, 64440), (36695, 58896), (36810, 58712), (42960, 50307), (44034, 49080)]