189816240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 620960256

約数和(自身を除く): 431144016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 137, 138, 184, 230, 240, 251, 274, 276, 345, 368, 411, 460, 502, 548, 552, 685, 690, 753, 822, 920, 1004, 1096, 1104, 1255, 1370, 1380, 1506, 1644, 1840, 2008, 2055, 2192, 2510, 2740, 2760, 3012, 3151, 3288, 3765, 4016, 4110, 5020, 5480, 5520, 5773, 6024, 6302, 6576, 7530, 8220, 9453, 10040, 10960, 11546, 12048, 12604, 15060, 15755, 16440, 17319, 18906, 20080, 23092, 25208, 28865, 30120, 31510, 32880, 34387, 34638, 37812, 46184, 47265, 50416, 57730, 60240, 63020, 68774, 69276, 75624, 86595, 92368, 94530, 103161, 115460, 126040, 137548, 138552, 151248, 171935, 173190, 189060, 206322, 230920, 252080, 275096, 277104, 343870, 346380, 378120, 412644, 461840, 515805, 550192, 687740, 692760, 756240, 790901, 825288, 1031610, 1375480, 1385520, 1581802, 1650576, 2063220, 2372703, 2750960, 3163604, 3954505, 4126440, 4745406, 6327208, 7909010, 8252880, 9490812, 11863515, 12654416, 15818020, 18981624, 23727030, 31636040, 37963248, 47454060, 63272080, 94908120, 189816240]

約数ペア:

[(1, 189816240), (2, 94908120), (3, 63272080), (4, 47454060), (5, 37963248), (6, 31636040), (8, 23727030), (10, 18981624), (12, 15818020), (15, 12654416), (16, 11863515), (20, 9490812), (23, 8252880), (24, 7909010), (30, 6327208), (40, 4745406), (46, 4126440), (48, 3954505), (60, 3163604), (69, 2750960), (80, 2372703), (92, 2063220), (115, 1650576), (120, 1581802), (137, 1385520), (138, 1375480), (184, 1031610), (230, 825288), (240, 790901), (251, 756240), (274, 692760), (276, 687740), (345, 550192), (368, 515805), (411, 461840), (460, 412644), (502, 378120), (548, 346380), (552, 343870), (685, 277104), (690, 275096), (753, 252080), (822, 230920), (920, 206322), (1004, 189060), (1096, 173190), (1104, 171935), (1255, 151248), (1370, 138552), (1380, 137548), (1506, 126040), (1644, 115460), (1840, 103161), (2008, 94530), (2055, 92368), (2192, 86595), (2510, 75624), (2740, 69276), (2760, 68774), (3012, 63020), (3151, 60240), (3288, 57730), (3765, 50416), (4016, 47265), (4110, 46184), (5020, 37812), (5480, 34638), (5520, 34387), (5773, 32880), (6024, 31510), (6302, 30120), (6576, 28865), (7530, 25208), (8220, 23092), (9453, 20080), (10040, 18906), (10960, 17319), (11546, 16440), (12048, 15755), (12604, 15060)]