81562691840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:697

約数の個数: 288

約数和(自身を含む): 226740756480

約数和(自身を除く): 145178064640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 229, 254, 256, 280, 313, 320, 448, 458, 508, 560, 626, 635, 640, 889, 896, 916, 1016, 1120, 1145, 1252, 1270, 1280, 1565, 1603, 1778, 1792, 1832, 2032, 2191, 2240, 2290, 2504, 2540, 3130, 3206, 3556, 3664, 4064, 4382, 4445, 4480, 4580, 5008, 5080, 6260, 6412, 7112, 7328, 8015, 8128, 8764, 8890, 8960, 9160, 10016, 10160, 10955, 12520, 12824, 14224, 14656, 16030, 16256, 17528, 17780, 18320, 20032, 20320, 21910, 25040, 25648, 28448, 29083, 29312, 32060, 32512, 35056, 35560, 36640, 39751, 40064, 40640, 43820, 50080, 51296, 56896, 58166, 58624, 64120, 70112, 71120, 71677, 73280, 79502, 80128, 81280, 87640, 100160, 102592, 113792, 116332, 128240, 140224, 142240, 143354, 145415, 146560, 159004, 162560, 175280, 198755, 200320, 203581, 205184, 227584, 232664, 256480, 278257, 280448, 284480, 286708, 290830, 293120, 318008, 350560, 358385, 397510, 400640, 407162, 410368, 465328, 501739, 512960, 556514, 560896, 568960, 573416, 581660, 636016, 701120, 716770, 795020, 814324, 930656, 1003478, 1017905, 1025920, 1113028, 1137920, 1146832, 1163320, 1272032, 1391285, 1402240, 1433540, 1590040, 1628648, 1861312, 2006956, 2035810, 2051840, 2226056, 2293664, 2326640, 2508695, 2544064, 2782570, 2804480, 2867080, 3180080, 3257296, 3722624, 4013912, 4071620, 4452112, 4587328, 4653280, 5017390, 5088128, 5565140, 5734160, 6360160, 6514592, 7445248, 8027824, 8143240, 8904224, 9102979, 9174656, 9306560, 10034780, 10176256, 11130280, 11468320, 12720320, 13029184, 16055648, 16286480, 17808448, 18205958, 18349312, 18613120, 20069560, 22260560, 22936640, 25440640, 26058368, 32111296, 32572960, 35616896, 36411916, 37226240, 40139120, 44521120, 45514895, 45873280, 50881280, 52116736, 63720853, 64222592, 65145920, 71233792, 72823832, 80278240, 89042240, 91029790, 91746560, 127441706, 128445184, 130291840, 145647664, 160556480, 178084480, 182059580, 254883412, 260583680, 291295328, 318604265, 321112960, 356168960, 364119160, 509766824, 582590656, 637208530, 642225920, 728238320, 1019533648, 1165181312, 1274417060, 1456476640, 2039067296, 2330362624, 2548834120, 2912953280, 4078134592, 5097668240, 5825906560, 8156269184, 10195336480, 11651813120, 16312538368, 20390672960, 40781345920, 81562691840]

約数ペア:

[(1, 81562691840), (2, 40781345920), (4, 20390672960), (5, 16312538368), (7, 11651813120), (8, 10195336480), (10, 8156269184), (14, 5825906560), (16, 5097668240), (20, 4078134592), (28, 2912953280), (32, 2548834120), (35, 2330362624), (40, 2039067296), (56, 1456476640), (64, 1274417060), (70, 1165181312), (80, 1019533648), (112, 728238320), (127, 642225920), (128, 637208530), (140, 582590656), (160, 509766824), (224, 364119160), (229, 356168960), (254, 321112960), (256, 318604265), (280, 291295328), (313, 260583680), (320, 254883412), (448, 182059580), (458, 178084480), (508, 160556480), (560, 145647664), (626, 130291840), (635, 128445184), (640, 127441706), (889, 91746560), (896, 91029790), (916, 89042240), (1016, 80278240), (1120, 72823832), (1145, 71233792), (1252, 65145920), (1270, 64222592), (1280, 63720853), (1565, 52116736), (1603, 50881280), (1778, 45873280), (1792, 45514895), (1832, 44521120), (2032, 40139120), (2191, 37226240), (2240, 36411916), (2290, 35616896), (2504, 32572960), (2540, 32111296), (3130, 26058368), (3206, 25440640), (3556, 22936640), (3664, 22260560), (4064, 20069560), (4382, 18613120), (4445, 18349312), (4480, 18205958), (4580, 17808448), (5008, 16286480), (5080, 16055648), (6260, 13029184), (6412, 12720320), (7112, 11468320), (7328, 11130280), (8015, 10176256), (8128, 10034780), (8764, 9306560), (8890, 9174656), (8960, 9102979), (9160, 8904224), (10016, 8143240), (10160, 8027824), (10955, 7445248), (12520, 6514592), (12824, 6360160), (14224, 5734160), (14656, 5565140), (16030, 5088128), (16256, 5017390), (17528, 4653280), (17780, 4587328), (18320, 4452112), (20032, 4071620), (20320, 4013912), (21910, 3722624), (25040, 3257296), (25648, 3180080), (28448, 2867080), (29083, 2804480), (29312, 2782570), (32060, 2544064), (32512, 2508695), (35056, 2326640), (35560, 2293664), (36640, 2226056), (39751, 2051840), (40064, 2035810), (40640, 2006956), (43820, 1861312), (50080, 1628648), (51296, 1590040), (56896, 1433540), (58166, 1402240), (58624, 1391285), (64120, 1272032), (70112, 1163320), (71120, 1146832), (71677, 1137920), (73280, 1113028), (79502, 1025920), (80128, 1017905), (81280, 1003478), (87640, 930656), (100160, 814324), (102592, 795020), (113792, 716770), (116332, 701120), (128240, 636016), (140224, 581660), (142240, 573416), (143354, 568960), (145415, 560896), (146560, 556514), (159004, 512960), (162560, 501739), (175280, 465328), (198755, 410368), (200320, 407162), (203581, 400640), (205184, 397510), (227584, 358385), (232664, 350560), (256480, 318008), (278257, 293120), (280448, 290830), (284480, 286708)]