661184640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:572

約数の個数: 256

約数和(自身を含む): 2375049600

約数和(自身を除く): 1713864960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 83, 90, 96, 108, 120, 128, 135, 144, 160, 166, 180, 192, 216, 240, 249, 270, 288, 320, 332, 360, 384, 415, 432, 461, 480, 498, 540, 576, 640, 664, 720, 747, 830, 864, 922, 960, 996, 1080, 1152, 1245, 1328, 1383, 1440, 1494, 1660, 1728, 1844, 1920, 1992, 2160, 2241, 2305, 2490, 2656, 2766, 2880, 2988, 3320, 3456, 3688, 3735, 3984, 4149, 4320, 4482, 4610, 4980, 5312, 5532, 5760, 5976, 6640, 6915, 7376, 7470, 7968, 8298, 8640, 8964, 9220, 9960, 10624, 11064, 11205, 11952, 12447, 13280, 13830, 14752, 14940, 15936, 16596, 17280, 17928, 18440, 19920, 20745, 22128, 22410, 23904, 24894, 26560, 27660, 29504, 29880, 31872, 33192, 35856, 36880, 38263, 39840, 41490, 44256, 44820, 47808, 49788, 53120, 55320, 59008, 59760, 62235, 66384, 71712, 73760, 76526, 79680, 82980, 88512, 89640, 95616, 99576, 110640, 114789, 119520, 124470, 132768, 143424, 147520, 153052, 159360, 165960, 177024, 179280, 191315, 199152, 221280, 229578, 239040, 248940, 265536, 286848, 295040, 306104, 331920, 344367, 358560, 382630, 398304, 442560, 459156, 478080, 497880, 531072, 573945, 612208, 663840, 688734, 717120, 765260, 796608, 885120, 918312, 995760, 1033101, 1147890, 1224416, 1327680, 1377468, 1434240, 1530520, 1593216, 1721835, 1836624, 1991520, 2066202, 2295780, 2448832, 2655360, 2754936, 3061040, 3443670, 3673248, 3983040, 4132404, 4591560, 4897664, 5165505, 5509872, 6122080, 6887340, 7346496, 7966080, 8264808, 9183120, 10331010, 11019744, 12244160, 13774680, 14692992, 16529616, 18366240, 20662020, 22039488, 24488320, 27549360, 33059232, 36732480, 41324040, 44078976, 55098720, 66118464, 73464960, 82648080, 110197440, 132236928, 165296160, 220394880, 330592320, 661184640]

約数ペア:

[(1, 661184640), (2, 330592320), (3, 220394880), (4, 165296160), (5, 132236928), (6, 110197440), (8, 82648080), (9, 73464960), (10, 66118464), (12, 55098720), (15, 44078976), (16, 41324040), (18, 36732480), (20, 33059232), (24, 27549360), (27, 24488320), (30, 22039488), (32, 20662020), (36, 18366240), (40, 16529616), (45, 14692992), (48, 13774680), (54, 12244160), (60, 11019744), (64, 10331010), (72, 9183120), (80, 8264808), (83, 7966080), (90, 7346496), (96, 6887340), (108, 6122080), (120, 5509872), (128, 5165505), (135, 4897664), (144, 4591560), (160, 4132404), (166, 3983040), (180, 3673248), (192, 3443670), (216, 3061040), (240, 2754936), (249, 2655360), (270, 2448832), (288, 2295780), (320, 2066202), (332, 1991520), (360, 1836624), (384, 1721835), (415, 1593216), (432, 1530520), (461, 1434240), (480, 1377468), (498, 1327680), (540, 1224416), (576, 1147890), (640, 1033101), (664, 995760), (720, 918312), (747, 885120), (830, 796608), (864, 765260), (922, 717120), (960, 688734), (996, 663840), (1080, 612208), (1152, 573945), (1245, 531072), (1328, 497880), (1383, 478080), (1440, 459156), (1494, 442560), (1660, 398304), (1728, 382630), (1844, 358560), (1920, 344367), (1992, 331920), (2160, 306104), (2241, 295040), (2305, 286848), (2490, 265536), (2656, 248940), (2766, 239040), (2880, 229578), (2988, 221280), (3320, 199152), (3456, 191315), (3688, 179280), (3735, 177024), (3984, 165960), (4149, 159360), (4320, 153052), (4482, 147520), (4610, 143424), (4980, 132768), (5312, 124470), (5532, 119520), (5760, 114789), (5976, 110640), (6640, 99576), (6915, 95616), (7376, 89640), (7470, 88512), (7968, 82980), (8298, 79680), (8640, 76526), (8964, 73760), (9220, 71712), (9960, 66384), (10624, 62235), (11064, 59760), (11205, 59008), (11952, 55320), (12447, 53120), (13280, 49788), (13830, 47808), (14752, 44820), (14940, 44256), (15936, 41490), (16596, 39840), (17280, 38263), (17928, 36880), (18440, 35856), (19920, 33192), (20745, 31872), (22128, 29880), (22410, 29504), (23904, 27660), (24894, 26560)]