2145378560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4224

約数の個数: 144

約数和(自身を含む): 5714042880

約数和(自身を除く): 3568664320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3968, 4030, 4159, 4160, 4960, 6448, 7936, 8060, 8318, 8320, 9920, 12896, 16120, 16636, 16640, 19840, 20795, 25792, 32240, 33272, 39680, 41590, 51584, 54067, 64480, 66544, 83180, 103168, 108134, 128929, 128960, 133088, 166360, 216268, 257858, 257920, 266176, 270335, 332720, 432536, 515716, 515840, 532352, 540670, 644645, 665440, 865072, 1031432, 1064704, 1081340, 1289290, 1330880, 1676077, 1730144, 2062864, 2162680, 2578580, 2661760, 3352154, 3460288, 4125728, 4325360, 5157160, 5323520, 6704308, 6920576, 8251456, 8380385, 8650720, 10314320, 13408616, 13841152, 16502912, 16760770, 17301440, 20628640, 26817232, 33005824, 33521540, 34602880, 41257280, 53634464, 67043080, 69205760, 82514560, 107268928, 134086160, 165029120, 214537856, 268172320, 429075712, 536344640, 1072689280, 2145378560]

約数ペア:

[(1, 2145378560), (2, 1072689280), (4, 536344640), (5, 429075712), (8, 268172320), (10, 214537856), (13, 165029120), (16, 134086160), (20, 107268928), (26, 82514560), (31, 69205760), (32, 67043080), (40, 53634464), (52, 41257280), (62, 34602880), (64, 33521540), (65, 33005824), (80, 26817232), (104, 20628640), (124, 17301440), (128, 16760770), (130, 16502912), (155, 13841152), (160, 13408616), (208, 10314320), (248, 8650720), (256, 8380385), (260, 8251456), (310, 6920576), (320, 6704308), (403, 5323520), (416, 5157160), (496, 4325360), (520, 4125728), (620, 3460288), (640, 3352154), (806, 2661760), (832, 2578580), (992, 2162680), (1040, 2062864), (1240, 1730144), (1280, 1676077), (1612, 1330880), (1664, 1289290), (1984, 1081340), (2015, 1064704), (2080, 1031432), (2480, 865072), (3224, 665440), (3328, 644645), (3968, 540670), (4030, 532352), (4159, 515840), (4160, 515716), (4960, 432536), (6448, 332720), (7936, 270335), (8060, 266176), (8318, 257920), (8320, 257858), (9920, 216268), (12896, 166360), (16120, 133088), (16636, 128960), (16640, 128929), (19840, 108134), (20795, 103168), (25792, 83180), (32240, 66544), (33272, 64480), (39680, 54067), (41590, 51584)]