389719680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 256

約数和(自身を含む): 1438248960

約数和(自身を除く): 1048529280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 107, 112, 120, 128, 140, 160, 168, 192, 210, 214, 224, 240, 271, 280, 320, 321, 336, 384, 420, 428, 448, 480, 535, 542, 560, 640, 642, 672, 749, 813, 840, 856, 896, 960, 1070, 1084, 1120, 1284, 1344, 1355, 1498, 1605, 1626, 1680, 1712, 1897, 1920, 2140, 2168, 2240, 2247, 2568, 2688, 2710, 2996, 3210, 3252, 3360, 3424, 3745, 3794, 4065, 4280, 4336, 4480, 4494, 5136, 5420, 5691, 5992, 6420, 6504, 6720, 6848, 7490, 7588, 8130, 8560, 8672, 8988, 9485, 10272, 10840, 11235, 11382, 11984, 12840, 13008, 13440, 13696, 14980, 15176, 16260, 17120, 17344, 17976, 18970, 20544, 21680, 22470, 22764, 23968, 25680, 26016, 28455, 28997, 29960, 30352, 32520, 34240, 34688, 35952, 37940, 41088, 43360, 44940, 45528, 47936, 51360, 52032, 56910, 57994, 59920, 60704, 65040, 68480, 71904, 75880, 86720, 86991, 89880, 91056, 95872, 102720, 104064, 113820, 115988, 119840, 121408, 130080, 143808, 144985, 151760, 173440, 173982, 179760, 182112, 202979, 205440, 227640, 231976, 239680, 242816, 260160, 287616, 289970, 303520, 347964, 359520, 364224, 405958, 434955, 455280, 463952, 479360, 520320, 579940, 607040, 608937, 695928, 719040, 728448, 811916, 869910, 910560, 927904, 1014895, 1159880, 1214080, 1217874, 1391856, 1438080, 1623832, 1739820, 1821120, 1855808, 2029790, 2319760, 2435748, 2783712, 3044685, 3247664, 3479640, 3642240, 3711616, 4059580, 4639520, 4871496, 5567424, 6089370, 6495328, 6959280, 8119160, 9279040, 9742992, 11134848, 12178740, 12990656, 13918560, 16238320, 18558080, 19485984, 24357480, 25981312, 27837120, 32476640, 38971968, 48714960, 55674240, 64953280, 77943936, 97429920, 129906560, 194859840, 389719680]

約数ペア:

[(1, 389719680), (2, 194859840), (3, 129906560), (4, 97429920), (5, 77943936), (6, 64953280), (7, 55674240), (8, 48714960), (10, 38971968), (12, 32476640), (14, 27837120), (15, 25981312), (16, 24357480), (20, 19485984), (21, 18558080), (24, 16238320), (28, 13918560), (30, 12990656), (32, 12178740), (35, 11134848), (40, 9742992), (42, 9279040), (48, 8119160), (56, 6959280), (60, 6495328), (64, 6089370), (70, 5567424), (80, 4871496), (84, 4639520), (96, 4059580), (105, 3711616), (107, 3642240), (112, 3479640), (120, 3247664), (128, 3044685), (140, 2783712), (160, 2435748), (168, 2319760), (192, 2029790), (210, 1855808), (214, 1821120), (224, 1739820), (240, 1623832), (271, 1438080), (280, 1391856), (320, 1217874), (321, 1214080), (336, 1159880), (384, 1014895), (420, 927904), (428, 910560), (448, 869910), (480, 811916), (535, 728448), (542, 719040), (560, 695928), (640, 608937), (642, 607040), (672, 579940), (749, 520320), (813, 479360), (840, 463952), (856, 455280), (896, 434955), (960, 405958), (1070, 364224), (1084, 359520), (1120, 347964), (1284, 303520), (1344, 289970), (1355, 287616), (1498, 260160), (1605, 242816), (1626, 239680), (1680, 231976), (1712, 227640), (1897, 205440), (1920, 202979), (2140, 182112), (2168, 179760), (2240, 173982), (2247, 173440), (2568, 151760), (2688, 144985), (2710, 143808), (2996, 130080), (3210, 121408), (3252, 119840), (3360, 115988), (3424, 113820), (3745, 104064), (3794, 102720), (4065, 95872), (4280, 91056), (4336, 89880), (4480, 86991), (4494, 86720), (5136, 75880), (5420, 71904), (5691, 68480), (5992, 65040), (6420, 60704), (6504, 59920), (6720, 57994), (6848, 56910), (7490, 52032), (7588, 51360), (8130, 47936), (8560, 45528), (8672, 44940), (8988, 43360), (9485, 41088), (10272, 37940), (10840, 35952), (11235, 34688), (11382, 34240), (11984, 32520), (12840, 30352), (13008, 29960), (13440, 28997), (13696, 28455), (14980, 26016), (15176, 25680), (16260, 23968), (17120, 22764), (17344, 22470), (17976, 21680), (18970, 20544)]