1981625904

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:217

約数の個数: 240

約数和(自身を含む): 6134607360

約数和(自身を除く): 4152981456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 53, 54, 69, 71, 72, 92, 106, 108, 138, 142, 144, 159, 184, 207, 212, 213, 216, 276, 284, 318, 368, 414, 424, 426, 432, 477, 552, 568, 621, 636, 639, 828, 848, 852, 954, 1104, 1136, 1219, 1242, 1272, 1278, 1431, 1633, 1656, 1704, 1908, 1917, 2438, 2484, 2544, 2556, 2809, 2862, 3266, 3312, 3408, 3657, 3763, 3816, 3834, 4876, 4899, 4968, 5112, 5618, 5724, 6532, 7314, 7526, 7632, 7668, 8427, 9752, 9798, 9936, 10224, 10971, 11236, 11289, 11448, 13064, 14628, 14697, 15052, 15336, 16854, 19504, 19596, 21942, 22472, 22578, 22896, 25281, 26128, 29256, 29394, 30104, 30672, 32913, 33708, 33867, 39192, 43884, 44091, 44944, 45156, 50562, 58512, 58788, 60208, 64607, 65826, 67416, 67734, 75843, 78384, 86549, 87768, 88182, 90312, 101124, 101601, 117576, 129214, 131652, 134832, 135468, 151686, 173098, 175536, 176364, 180624, 193821, 199439, 202248, 203202, 235152, 258428, 259647, 263304, 270936, 303372, 346196, 352728, 387642, 398878, 404496, 406404, 516856, 519294, 526608, 541872, 581463, 598317, 606744, 692392, 705456, 775284, 778941, 797756, 812808, 1033712, 1038588, 1162926, 1196634, 1213488, 1384784, 1550568, 1557882, 1595512, 1625616, 1744389, 1794951, 2077176, 2325852, 2336823, 2393268, 3101136, 3115764, 3191024, 3488778, 3589902, 4154352, 4587097, 4651704, 4673646, 4786536, 5384853, 6231528, 6977556, 7179804, 9174194, 9303408, 9347292, 9573072, 10769706, 12463056, 13761291, 13955112, 14359608, 18348388, 18694584, 21539412, 27522582, 27910224, 28719216, 36696776, 37389168, 41283873, 43078824, 55045164, 73393552, 82567746, 86157648, 110090328, 123851619, 165135492, 220180656, 247703238, 330270984, 495406476, 660541968, 990812952, 1981625904]

約数ペア:

[(1, 1981625904), (2, 990812952), (3, 660541968), (4, 495406476), (6, 330270984), (8, 247703238), (9, 220180656), (12, 165135492), (16, 123851619), (18, 110090328), (23, 86157648), (24, 82567746), (27, 73393552), (36, 55045164), (46, 43078824), (48, 41283873), (53, 37389168), (54, 36696776), (69, 28719216), (71, 27910224), (72, 27522582), (92, 21539412), (106, 18694584), (108, 18348388), (138, 14359608), (142, 13955112), (144, 13761291), (159, 12463056), (184, 10769706), (207, 9573072), (212, 9347292), (213, 9303408), (216, 9174194), (276, 7179804), (284, 6977556), (318, 6231528), (368, 5384853), (414, 4786536), (424, 4673646), (426, 4651704), (432, 4587097), (477, 4154352), (552, 3589902), (568, 3488778), (621, 3191024), (636, 3115764), (639, 3101136), (828, 2393268), (848, 2336823), (852, 2325852), (954, 2077176), (1104, 1794951), (1136, 1744389), (1219, 1625616), (1242, 1595512), (1272, 1557882), (1278, 1550568), (1431, 1384784), (1633, 1213488), (1656, 1196634), (1704, 1162926), (1908, 1038588), (1917, 1033712), (2438, 812808), (2484, 797756), (2544, 778941), (2556, 775284), (2809, 705456), (2862, 692392), (3266, 606744), (3312, 598317), (3408, 581463), (3657, 541872), (3763, 526608), (3816, 519294), (3834, 516856), (4876, 406404), (4899, 404496), (4968, 398878), (5112, 387642), (5618, 352728), (5724, 346196), (6532, 303372), (7314, 270936), (7526, 263304), (7632, 259647), (7668, 258428), (8427, 235152), (9752, 203202), (9798, 202248), (9936, 199439), (10224, 193821), (10971, 180624), (11236, 176364), (11289, 175536), (11448, 173098), (13064, 151686), (14628, 135468), (14697, 134832), (15052, 131652), (15336, 129214), (16854, 117576), (19504, 101601), (19596, 101124), (21942, 90312), (22472, 88182), (22578, 87768), (22896, 86549), (25281, 78384), (26128, 75843), (29256, 67734), (29394, 67416), (30104, 65826), (30672, 64607), (32913, 60208), (33708, 58788), (33867, 58512), (39192, 50562), (43884, 45156), (44091, 44944)]