643772208640

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{23789}}^1$

素因数の和:23885

約数の個数: 240

約数和(自身を含む): 1740010306320

約数和(自身を除く): 1096238097680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 961, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1922, 1984, 2480, 2560, 2728, 2816, 3410, 3520, 3844, 3968, 4805, 4960, 5456, 5632, 6820, 7040, 7688, 7936, 9610, 9920, 10571, 10912, 13640, 14080, 15376, 15872, 19220, 19840, 21142, 21824, 23789, 27280, 28160, 30752, 38440, 39680, 42284, 43648, 47578, 52855, 54560, 61504, 76880, 79360, 84568, 87296, 95156, 105710, 109120, 118945, 123008, 153760, 169136, 174592, 190312, 211420, 218240, 237890, 246016, 261679, 307520, 338272, 380624, 422840, 436480, 475780, 492032, 523358, 615040, 676544, 737459, 761248, 845680, 872960, 951560, 1046716, 1230080, 1308395, 1353088, 1474918, 1522496, 1691360, 1903120, 2093432, 2460160, 2616790, 2706176, 2949836, 3044992, 3382720, 3687295, 3806240, 4186864, 5233580, 5412352, 5899672, 6089984, 6765440, 7374590, 7612480, 8112049, 8373728, 10467160, 11799344, 12179968, 13530880, 14749180, 15224960, 16224098, 16747456, 20934320, 22861229, 23598688, 27061760, 29498360, 30449920, 32448196, 33494912, 40560245, 41868640, 45722458, 47197376, 58996720, 60899840, 64896392, 66989824, 81120490, 83737280, 91444916, 94394752, 114306145, 117993440, 129792784, 133979648, 162240980, 167474560, 182889832, 188789504, 228612290, 235986880, 251473519, 259585568, 324481960, 334949120, 365779664, 377579008, 457224580, 471973760, 502947038, 519171136, 648963920, 669898240, 731559328, 914449160, 943947520, 1005894076, 1038342272, 1257367595, 1297927840, 1463118656, 1828898320, 1887895040, 2011788152, 2076684544, 2514735190, 2595855680, 2926237312, 3657796640, 4023576304, 4153369088, 5029470380, 5191711360, 5852474624, 7315593280, 8047152608, 10058940760, 10383422720, 11704949248, 14631186560, 16094305216, 20117881520, 20766845440, 29262373120, 32188610432, 40235763040, 58524746240, 64377220864, 80471526080, 128754441728, 160943052160, 321886104320, 643772208640]

約数ペア:

[(1, 643772208640), (2, 321886104320), (4, 160943052160), (5, 128754441728), (8, 80471526080), (10, 64377220864), (11, 58524746240), (16, 40235763040), (20, 32188610432), (22, 29262373120), (31, 20766845440), (32, 20117881520), (40, 16094305216), (44, 14631186560), (55, 11704949248), (62, 10383422720), (64, 10058940760), (80, 8047152608), (88, 7315593280), (110, 5852474624), (124, 5191711360), (128, 5029470380), (155, 4153369088), (160, 4023576304), (176, 3657796640), (220, 2926237312), (248, 2595855680), (256, 2514735190), (310, 2076684544), (320, 2011788152), (341, 1887895040), (352, 1828898320), (440, 1463118656), (496, 1297927840), (512, 1257367595), (620, 1038342272), (640, 1005894076), (682, 943947520), (704, 914449160), (880, 731559328), (961, 669898240), (992, 648963920), (1240, 519171136), (1280, 502947038), (1364, 471973760), (1408, 457224580), (1705, 377579008), (1760, 365779664), (1922, 334949120), (1984, 324481960), (2480, 259585568), (2560, 251473519), (2728, 235986880), (2816, 228612290), (3410, 188789504), (3520, 182889832), (3844, 167474560), (3968, 162240980), (4805, 133979648), (4960, 129792784), (5456, 117993440), (5632, 114306145), (6820, 94394752), (7040, 91444916), (7688, 83737280), (7936, 81120490), (9610, 66989824), (9920, 64896392), (10571, 60899840), (10912, 58996720), (13640, 47197376), (14080, 45722458), (15376, 41868640), (15872, 40560245), (19220, 33494912), (19840, 32448196), (21142, 30449920), (21824, 29498360), (23789, 27061760), (27280, 23598688), (28160, 22861229), (30752, 20934320), (38440, 16747456), (39680, 16224098), (42284, 15224960), (43648, 14749180), (47578, 13530880), (52855, 12179968), (54560, 11799344), (61504, 10467160), (76880, 8373728), (79360, 8112049), (84568, 7612480), (87296, 7374590), (95156, 6765440), (105710, 6089984), (109120, 5899672), (118945, 5412352), (123008, 5233580), (153760, 4186864), (169136, 3806240), (174592, 3687295), (190312, 3382720), (211420, 3044992), (218240, 2949836), (237890, 2706176), (246016, 2616790), (261679, 2460160), (307520, 2093432), (338272, 1903120), (380624, 1691360), (422840, 1522496), (436480, 1474918), (475780, 1353088), (492032, 1308395), (523358, 1230080), (615040, 1046716), (676544, 951560), (737459, 872960), (761248, 845680)]