39890280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 127008000

約数和(自身を除く): 87117720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 97, 115, 120, 138, 149, 184, 194, 230, 276, 291, 298, 345, 388, 447, 460, 485, 552, 582, 596, 690, 745, 776, 894, 920, 970, 1164, 1192, 1380, 1455, 1490, 1788, 1940, 2231, 2235, 2328, 2760, 2910, 2980, 3427, 3576, 3880, 4462, 4470, 5820, 5960, 6693, 6854, 8924, 8940, 10281, 11155, 11640, 13386, 13708, 14453, 17135, 17848, 17880, 20562, 22310, 26772, 27416, 28906, 33465, 34270, 41124, 43359, 44620, 51405, 53544, 57812, 66930, 68540, 72265, 82248, 86718, 89240, 102810, 115624, 133860, 137080, 144530, 173436, 205620, 216795, 267720, 289060, 332419, 346872, 411240, 433590, 578120, 664838, 867180, 997257, 1329676, 1662095, 1734360, 1994514, 2659352, 3324190, 3989028, 4986285, 6648380, 7978056, 9972570, 13296760, 19945140, 39890280]

約数ペア:

[(1, 39890280), (2, 19945140), (3, 13296760), (4, 9972570), (5, 7978056), (6, 6648380), (8, 4986285), (10, 3989028), (12, 3324190), (15, 2659352), (20, 1994514), (23, 1734360), (24, 1662095), (30, 1329676), (40, 997257), (46, 867180), (60, 664838), (69, 578120), (92, 433590), (97, 411240), (115, 346872), (120, 332419), (138, 289060), (149, 267720), (184, 216795), (194, 205620), (230, 173436), (276, 144530), (291, 137080), (298, 133860), (345, 115624), (388, 102810), (447, 89240), (460, 86718), (485, 82248), (552, 72265), (582, 68540), (596, 66930), (690, 57812), (745, 53544), (776, 51405), (894, 44620), (920, 43359), (970, 41124), (1164, 34270), (1192, 33465), (1380, 28906), (1455, 27416), (1490, 26772), (1788, 22310), (1940, 20562), (2231, 17880), (2235, 17848), (2328, 17135), (2760, 14453), (2910, 13708), (2980, 13386), (3427, 11640), (3576, 11155), (3880, 10281), (4462, 8940), (4470, 8924), (5820, 6854), (5960, 6693)]