989667262080

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:1026

約数の個数: 1024

約数和(自身を含む): 4131828403200

約数和(自身を除く): 3142161141120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 37, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 74, 80, 84, 90, 96, 105, 108, 111, 112, 120, 126, 128, 135, 140, 144, 148, 160, 168, 180, 185, 189, 192, 210, 216, 222, 224, 240, 252, 259, 270, 280, 288, 296, 315, 320, 333, 336, 360, 370, 378, 384, 397, 420, 432, 444, 448, 480, 504, 518, 540, 555, 557, 560, 576, 592, 630, 640, 666, 672, 720, 740, 756, 777, 794, 840, 864, 888, 896, 945, 960, 999, 1008, 1036, 1080, 1110, 1114, 1120, 1152, 1184, 1191, 1260, 1295, 1332, 1344, 1440, 1480, 1512, 1554, 1588, 1665, 1671, 1680, 1728, 1776, 1890, 1920, 1985, 1998, 2016, 2072, 2160, 2220, 2228, 2240, 2331, 2368, 2382, 2520, 2590, 2664, 2688, 2779, 2785, 2880, 2960, 3024, 3108, 3176, 3330, 3342, 3360, 3456, 3552, 3573, 3780, 3885, 3899, 3970, 3996, 4032, 4144, 4320, 4440, 4456, 4480, 4662, 4736, 4764, 4995, 5013, 5040, 5180, 5328, 5558, 5570, 5760, 5920, 5955, 6048, 6216, 6352, 6660, 6684, 6720, 6993, 7104, 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約数ペア:

[(1, 989667262080), (2, 494833631040), (3, 329889087360), (4, 247416815520), (5, 197933452416), (6, 164944543680), (7, 141381037440), (8, 123708407760), (9, 109963029120), (10, 98966726208), (12, 82472271840), (14, 70690518720), (15, 65977817472), (16, 61854203880), (18, 54981514560), (20, 49483363104), (21, 47127012480), (24, 41236135920), (27, 36654343040), (28, 35345259360), (30, 32988908736), (32, 30927101940), (35, 28276207488), (36, 27490757280), (37, 26747763840), (40, 24741681552), (42, 23563506240), (45, 21992605824), (48, 20618067960), (54, 18327171520), (56, 17672629680), (60, 16494454368), (63, 15709004160), (64, 15463550970), (70, 14138103744), (72, 13745378640), (74, 13373881920), (80, 12370840776), (84, 11781753120), (90, 10996302912), (96, 10309033980), (105, 9425402496), (108, 9163585760), (111, 8915921280), (112, 8836314840), (120, 8247227184), (126, 7854502080), (128, 7731775485), (135, 7330868608), (140, 7069051872), (144, 6872689320), (148, 6686940960), (160, 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