318639360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 216

約数和(自身を含む): 1104201504

約数和(自身を除く): 785562144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 256, 260, 312, 320, 338, 384, 390, 416, 480, 491, 507, 520, 624, 640, 676, 768, 780, 832, 845, 960, 982, 1014, 1040, 1248, 1280, 1352, 1473, 1560, 1664, 1690, 1920, 1964, 2028, 2080, 2455, 2496, 2535, 2704, 2946, 3120, 3328, 3380, 3840, 3928, 4056, 4160, 4910, 4992, 5070, 5408, 5892, 6240, 6383, 6760, 7365, 7856, 8112, 8320, 9820, 9984, 10140, 10816, 11784, 12480, 12766, 13520, 14730, 15712, 16224, 16640, 19149, 19640, 20280, 21632, 23568, 24960, 25532, 27040, 29460, 31424, 31915, 32448, 38298, 39280, 40560, 43264, 47136, 49920, 51064, 54080, 58920, 62848, 63830, 64896, 76596, 78560, 81120, 82979, 94272, 95745, 102128, 108160, 117840, 125696, 127660, 129792, 153192, 157120, 162240, 165958, 188544, 191490, 204256, 216320, 235680, 248937, 255320, 306384, 314240, 324480, 331916, 377088, 382980, 408512, 414895, 471360, 497874, 510640, 612768, 628480, 648960, 663832, 765960, 817024, 829790, 942720, 995748, 1021280, 1225536, 1244685, 1327664, 1531920, 1634048, 1659580, 1885440, 1991496, 2042560, 2451072, 2489370, 2655328, 3063840, 3319160, 3982992, 4085120, 4902144, 4978740, 5310656, 6127680, 6638320, 7965984, 8170240, 9957480, 10621312, 12255360, 13276640, 15931968, 19914960, 21242624, 24510720, 26553280, 31863936, 39829920, 53106560, 63727872, 79659840, 106213120, 159319680, 318639360]

約数ペア:

[(1, 318639360), (2, 159319680), (3, 106213120), (4, 79659840), (5, 63727872), (6, 53106560), (8, 39829920), (10, 31863936), (12, 26553280), (13, 24510720), (15, 21242624), (16, 19914960), (20, 15931968), (24, 13276640), (26, 12255360), (30, 10621312), (32, 9957480), (39, 8170240), (40, 7965984), (48, 6638320), (52, 6127680), (60, 5310656), (64, 4978740), (65, 4902144), (78, 4085120), (80, 3982992), (96, 3319160), (104, 3063840), (120, 2655328), (128, 2489370), (130, 2451072), (156, 2042560), (160, 1991496), (169, 1885440), (192, 1659580), (195, 1634048), (208, 1531920), (240, 1327664), (256, 1244685), (260, 1225536), (312, 1021280), (320, 995748), (338, 942720), (384, 829790), (390, 817024), (416, 765960), (480, 663832), (491, 648960), (507, 628480), (520, 612768), (624, 510640), (640, 497874), (676, 471360), (768, 414895), (780, 408512), (832, 382980), (845, 377088), (960, 331916), (982, 324480), (1014, 314240), (1040, 306384), (1248, 255320), (1280, 248937), (1352, 235680), (1473, 216320), (1560, 204256), (1664, 191490), (1690, 188544), (1920, 165958), (1964, 162240), (2028, 157120), (2080, 153192), (2455, 129792), (2496, 127660), (2535, 125696), (2704, 117840), (2946, 108160), (3120, 102128), (3328, 95745), (3380, 94272), (3840, 82979), (3928, 81120), (4056, 78560), (4160, 76596), (4910, 64896), (4992, 63830), (5070, 62848), (5408, 58920), (5892, 54080), (6240, 51064), (6383, 49920), (6760, 47136), (7365, 43264), (7856, 40560), (8112, 39280), (8320, 38298), (9820, 32448), (9984, 31915), (10140, 31424), (10816, 29460), (11784, 27040), (12480, 25532), (12766, 24960), (13520, 23568), (14730, 21632), (15712, 20280), (16224, 19640), (16640, 19149)]