80018880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 224

約数和(自身を含む): 276514560

約数和(自身を除く): 196495680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 41, 48, 57, 60, 64, 76, 80, 82, 95, 96, 107, 114, 120, 123, 152, 160, 164, 190, 192, 205, 214, 228, 240, 246, 285, 304, 320, 321, 328, 380, 410, 428, 456, 480, 492, 535, 570, 608, 615, 642, 656, 760, 779, 820, 856, 912, 960, 984, 1070, 1140, 1216, 1230, 1284, 1312, 1520, 1558, 1605, 1640, 1712, 1824, 1968, 2033, 2140, 2280, 2337, 2460, 2568, 2624, 3040, 3116, 3210, 3280, 3424, 3648, 3895, 3936, 4066, 4280, 4387, 4560, 4674, 4920, 5136, 6080, 6099, 6232, 6420, 6560, 6848, 7790, 7872, 8132, 8560, 8774, 9120, 9348, 9840, 10165, 10272, 11685, 12198, 12464, 12840, 13120, 13161, 15580, 16264, 17120, 17548, 18240, 18696, 19680, 20330, 20544, 21935, 23370, 24396, 24928, 25680, 26322, 30495, 31160, 32528, 34240, 35096, 37392, 39360, 40660, 43870, 46740, 48792, 49856, 51360, 52644, 60990, 62320, 65056, 65805, 70192, 74784, 81320, 83353, 87740, 93480, 97584, 102720, 105288, 121980, 124640, 130112, 131610, 140384, 149568, 162640, 166706, 175480, 186960, 195168, 210576, 243960, 249280, 250059, 263220, 280768, 325280, 333412, 350960, 373920, 390336, 416765, 421152, 487920, 500118, 526440, 650560, 666824, 701920, 747840, 833530, 842304, 975840, 1000236, 1052880, 1250295, 1333648, 1403840, 1667060, 1951680, 2000472, 2105760, 2500590, 2667296, 3334120, 4000944, 4211520, 5001180, 5334592, 6668240, 8001888, 10002360, 13336480, 16003776, 20004720, 26672960, 40009440, 80018880]

約数ペア:

[(1, 80018880), (2, 40009440), (3, 26672960), (4, 20004720), (5, 16003776), (6, 13336480), (8, 10002360), (10, 8001888), (12, 6668240), (15, 5334592), (16, 5001180), (19, 4211520), (20, 4000944), (24, 3334120), (30, 2667296), (32, 2500590), (38, 2105760), (40, 2000472), (41, 1951680), (48, 1667060), (57, 1403840), (60, 1333648), (64, 1250295), (76, 1052880), (80, 1000236), (82, 975840), (95, 842304), (96, 833530), (107, 747840), (114, 701920), (120, 666824), (123, 650560), (152, 526440), (160, 500118), (164, 487920), (190, 421152), (192, 416765), (205, 390336), (214, 373920), (228, 350960), (240, 333412), (246, 325280), (285, 280768), (304, 263220), (320, 250059), (321, 249280), (328, 243960), (380, 210576), (410, 195168), (428, 186960), (456, 175480), (480, 166706), (492, 162640), (535, 149568), (570, 140384), (608, 131610), (615, 130112), (642, 124640), (656, 121980), (760, 105288), (779, 102720), (820, 97584), (856, 93480), (912, 87740), (960, 83353), (984, 81320), (1070, 74784), (1140, 70192), (1216, 65805), (1230, 65056), (1284, 62320), (1312, 60990), (1520, 52644), (1558, 51360), (1605, 49856), (1640, 48792), (1712, 46740), (1824, 43870), (1968, 40660), (2033, 39360), (2140, 37392), (2280, 35096), (2337, 34240), (2460, 32528), (2568, 31160), (2624, 30495), (3040, 26322), (3116, 25680), (3210, 24928), (3280, 24396), (3424, 23370), (3648, 21935), (3895, 20544), (3936, 20330), (4066, 19680), (4280, 18696), (4387, 18240), (4560, 17548), (4674, 17120), (4920, 16264), (5136, 15580), (6080, 13161), (6099, 13120), (6232, 12840), (6420, 12464), (6560, 12198), (6848, 11685), (7790, 10272), (7872, 10165), (8132, 9840), (8560, 9348), (8774, 9120)]