690077520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^2$

素因数の和:219

約数の個数: 270

約数和(自身を含む): 2576289534

約数和(自身を除く): 1886212014

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 89, 90, 99, 110, 120, 121, 132, 144, 165, 176, 178, 180, 198, 220, 240, 242, 264, 267, 330, 356, 360, 363, 396, 440, 445, 484, 495, 528, 534, 605, 660, 712, 720, 726, 792, 801, 880, 890, 968, 979, 990, 1068, 1089, 1210, 1320, 1335, 1424, 1452, 1584, 1602, 1780, 1815, 1936, 1958, 1980, 2136, 2178, 2420, 2640, 2670, 2904, 2937, 3204, 3560, 3630, 3916, 3960, 4005, 4272, 4356, 4840, 4895, 5340, 5445, 5808, 5874, 6408, 7120, 7260, 7832, 7920, 7921, 8010, 8712, 8811, 9680, 9790, 10680, 10769, 10890, 11748, 12816, 14520, 14685, 15664, 15842, 16020, 17424, 17622, 19580, 21360, 21538, 21780, 23496, 23763, 29040, 29370, 31684, 32040, 32307, 35244, 39160, 39605, 43076, 43560, 44055, 46992, 47526, 53845, 58740, 63368, 64080, 64614, 70488, 71289, 78320, 79210, 86152, 87120, 87131, 88110, 95052, 96921, 107690, 117480, 118815, 126736, 129228, 140976, 142578, 158420, 161535, 172304, 174262, 176220, 190104, 193842, 215380, 234960, 237630, 258456, 261393, 285156, 316840, 323070, 348524, 352440, 356445, 380208, 387684, 430760, 435655, 475260, 484605, 516912, 522786, 570312, 633680, 646140, 697048, 704880, 712890, 775368, 784179, 861520, 871310, 950520, 958441, 969210, 1045572, 1140624, 1292280, 1306965, 1394096, 1425780, 1550736, 1568358, 1742620, 1901040, 1916882, 1938420, 2091144, 2584560, 2613930, 2851560, 2875323, 3136716, 3485240, 3833764, 3876840, 3920895, 4182288, 4792205, 5227860, 5703120, 5750646, 6273432, 6970480, 7667528, 7753680, 7841790, 8625969, 9584410, 10455720, 11501292, 12546864, 14376615, 15335056, 15683580, 17251938, 19168820, 20911440, 23002584, 28753230, 31367160, 34503876, 38337640, 43129845, 46005168, 57506460, 62734320, 69007752, 76675280, 86259690, 115012920, 138015504, 172519380, 230025840, 345038760, 690077520]

約数ペア:

[(1, 690077520), (2, 345038760), (3, 230025840), (4, 172519380), (5, 138015504), (6, 115012920), (8, 86259690), (9, 76675280), (10, 69007752), (11, 62734320), (12, 57506460), (15, 46005168), (16, 43129845), (18, 38337640), (20, 34503876), (22, 31367160), (24, 28753230), (30, 23002584), (33, 20911440), (36, 19168820), (40, 17251938), (44, 15683580), (45, 15335056), (48, 14376615), (55, 12546864), (60, 11501292), (66, 10455720), (72, 9584410), (80, 8625969), (88, 7841790), (89, 7753680), (90, 7667528), (99, 6970480), (110, 6273432), (120, 5750646), (121, 5703120), (132, 5227860), (144, 4792205), (165, 4182288), (176, 3920895), (178, 3876840), (180, 3833764), (198, 3485240), (220, 3136716), (240, 2875323), (242, 2851560), (264, 2613930), (267, 2584560), (330, 2091144), (356, 1938420), (360, 1916882), (363, 1901040), (396, 1742620), (440, 1568358), (445, 1550736), (484, 1425780), (495, 1394096), (528, 1306965), (534, 1292280), (605, 1140624), (660, 1045572), (712, 969210), (720, 958441), (726, 950520), (792, 871310), (801, 861520), (880, 784179), (890, 775368), (968, 712890), (979, 704880), (990, 697048), (1068, 646140), (1089, 633680), (1210, 570312), (1320, 522786), (1335, 516912), (1424, 484605), (1452, 475260), (1584, 435655), (1602, 430760), (1780, 387684), (1815, 380208), (1936, 356445), (1958, 352440), (1980, 348524), (2136, 323070), (2178, 316840), (2420, 285156), (2640, 261393), (2670, 258456), (2904, 237630), (2937, 234960), (3204, 215380), (3560, 193842), (3630, 190104), (3916, 176220), (3960, 174262), (4005, 172304), (4272, 161535), (4356, 158420), (4840, 142578), (4895, 140976), (5340, 129228), (5445, 126736), (5808, 118815), (5874, 117480), (6408, 107690), (7120, 96921), (7260, 95052), (7832, 88110), (7920, 87131), (7921, 87120), (8010, 86152), (8712, 79210), (8811, 78320), (9680, 71289), (9790, 70488), (10680, 64614), (10769, 64080), (10890, 63368), (11748, 58740), (12816, 53845), (14520, 47526), (14685, 46992), (15664, 44055), (15842, 43560), (16020, 43076), (17424, 39605), (17622, 39160), (19580, 35244), (21360, 32307), (21538, 32040), (21780, 31684), (23496, 29370), (23763, 29040)]