405912320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 1073737728

約数和(自身を除く): 667825408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 128, 160, 176, 220, 227, 254, 256, 320, 352, 440, 454, 508, 635, 640, 704, 880, 908, 1016, 1135, 1270, 1280, 1397, 1408, 1760, 1816, 2032, 2270, 2497, 2540, 2794, 2816, 3520, 3632, 4064, 4540, 4994, 5080, 5588, 6985, 7040, 7264, 8128, 9080, 9988, 10160, 11176, 12485, 13970, 14080, 14528, 16256, 18160, 19976, 20320, 22352, 24970, 27940, 28829, 29056, 32512, 36320, 39952, 40640, 44704, 49940, 55880, 57658, 58112, 72640, 79904, 81280, 89408, 99880, 111760, 115316, 144145, 145280, 159808, 162560, 178816, 199760, 223520, 230632, 288290, 290560, 317119, 319616, 357632, 399520, 447040, 461264, 576580, 634238, 639232, 799040, 894080, 922528, 1153160, 1268476, 1585595, 1598080, 1788160, 1845056, 2306320, 2536952, 3171190, 3196160, 3690112, 4612640, 5073904, 6342380, 7380224, 9225280, 10147808, 12684760, 18450560, 20295616, 25369520, 36901120, 40591232, 50739040, 81182464, 101478080, 202956160, 405912320]

約数ペア:

[(1, 405912320), (2, 202956160), (4, 101478080), (5, 81182464), (8, 50739040), (10, 40591232), (11, 36901120), (16, 25369520), (20, 20295616), (22, 18450560), (32, 12684760), (40, 10147808), (44, 9225280), (55, 7380224), (64, 6342380), (80, 5073904), (88, 4612640), (110, 3690112), (127, 3196160), (128, 3171190), (160, 2536952), (176, 2306320), (220, 1845056), (227, 1788160), (254, 1598080), (256, 1585595), (320, 1268476), (352, 1153160), (440, 922528), (454, 894080), (508, 799040), (635, 639232), (640, 634238), (704, 576580), (880, 461264), (908, 447040), (1016, 399520), (1135, 357632), (1270, 319616), (1280, 317119), (1397, 290560), (1408, 288290), (1760, 230632), (1816, 223520), (2032, 199760), (2270, 178816), (2497, 162560), (2540, 159808), (2794, 145280), (2816, 144145), (3520, 115316), (3632, 111760), (4064, 99880), (4540, 89408), (4994, 81280), (5080, 79904), (5588, 72640), (6985, 58112), (7040, 57658), (7264, 55880), (8128, 49940), (9080, 44704), (9988, 40640), (10160, 39952), (11176, 36320), (12485, 32512), (13970, 29056), (14080, 28829), (14528, 27940), (16256, 24970), (18160, 22352), (19976, 20320)]