518640720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:734

約数の個数: 240

約数和(自身を含む): 1835328960

約数和(自身を除く): 1316688240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 169, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 338, 380, 390, 456, 494, 507, 520, 570, 624, 673, 676, 741, 760, 780, 845, 912, 988, 1014, 1040, 1140, 1235, 1346, 1352, 1482, 1520, 1560, 1690, 1976, 2019, 2028, 2280, 2470, 2535, 2692, 2704, 2964, 3120, 3211, 3365, 3380, 3705, 3952, 4038, 4056, 4560, 4940, 5070, 5384, 5928, 6422, 6730, 6760, 7410, 8076, 8112, 8749, 9633, 9880, 10095, 10140, 10768, 11856, 12787, 12844, 13460, 13520, 14820, 16055, 16152, 17498, 19266, 19760, 20190, 20280, 25574, 25688, 26247, 26920, 29640, 32110, 32304, 34996, 38361, 38532, 40380, 40560, 43745, 48165, 51148, 51376, 52494, 53840, 59280, 63935, 64220, 69992, 76722, 77064, 80760, 87490, 96330, 102296, 104988, 113737, 127870, 128440, 131235, 139984, 153444, 154128, 161520, 166231, 174980, 191805, 192660, 204592, 209976, 227474, 255740, 256880, 262470, 306888, 332462, 341211, 349960, 383610, 385320, 419952, 454948, 498693, 511480, 524940, 568685, 613776, 664924, 682422, 699920, 767220, 770640, 831155, 909896, 997386, 1022960, 1049880, 1137370, 1329848, 1364844, 1534440, 1662310, 1706055, 1819792, 1994772, 2099760, 2161003, 2274740, 2493465, 2659696, 2729688, 3068880, 3324620, 3412110, 3989544, 4322006, 4549480, 4986930, 5459376, 6483009, 6649240, 6824220, 7979088, 8644012, 9098960, 9973860, 10805015, 12966018, 13298480, 13648440, 17288024, 19947720, 21610030, 25932036, 27296880, 32415045, 34576048, 39895440, 43220060, 51864072, 64830090, 86440120, 103728144, 129660180, 172880240, 259320360, 518640720]

約数ペア:

[(1, 518640720), (2, 259320360), (3, 172880240), (4, 129660180), (5, 103728144), (6, 86440120), (8, 64830090), (10, 51864072), (12, 43220060), (13, 39895440), (15, 34576048), (16, 32415045), (19, 27296880), (20, 25932036), (24, 21610030), (26, 19947720), (30, 17288024), (38, 13648440), (39, 13298480), (40, 12966018), (48, 10805015), (52, 9973860), (57, 9098960), (60, 8644012), (65, 7979088), (76, 6824220), (78, 6649240), (80, 6483009), (95, 5459376), (104, 4986930), (114, 4549480), (120, 4322006), (130, 3989544), (152, 3412110), (156, 3324620), (169, 3068880), (190, 2729688), (195, 2659696), (208, 2493465), (228, 2274740), (240, 2161003), (247, 2099760), (260, 1994772), (285, 1819792), (304, 1706055), (312, 1662310), (338, 1534440), (380, 1364844), (390, 1329848), (456, 1137370), (494, 1049880), (507, 1022960), (520, 997386), (570, 909896), (624, 831155), (673, 770640), (676, 767220), (741, 699920), (760, 682422), (780, 664924), (845, 613776), (912, 568685), (988, 524940), (1014, 511480), (1040, 498693), (1140, 454948), (1235, 419952), (1346, 385320), (1352, 383610), (1482, 349960), (1520, 341211), (1560, 332462), (1690, 306888), (1976, 262470), (2019, 256880), (2028, 255740), (2280, 227474), (2470, 209976), (2535, 204592), (2692, 192660), (2704, 191805), (2964, 174980), (3120, 166231), (3211, 161520), (3365, 154128), (3380, 153444), (3705, 139984), (3952, 131235), (4038, 128440), (4056, 127870), (4560, 113737), (4940, 104988), (5070, 102296), (5384, 96330), (5928, 87490), (6422, 80760), (6730, 77064), (6760, 76722), (7410, 69992), (8076, 64220), (8112, 63935), (8749, 59280), (9633, 53840), (9880, 52494), (10095, 51376), (10140, 51148), (10768, 48165), (11856, 43745), (12787, 40560), (12844, 40380), (13460, 38532), (13520, 38361), (14820, 34996), (16055, 32304), (16152, 32110), (17498, 29640), (19266, 26920), (19760, 26247), (20190, 25688), (20280, 25574)]