390391680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:997

約数の個数: 256

約数和(自身を含む): 1469583360

約数和(自身を除く): 1079191680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 840, 868, 896, 930, 937, 960, 992, 1085, 1120, 1240, 1302, 1344, 1488, 1680, 1736, 1860, 1874, 1920, 1984, 2170, 2240, 2480, 2604, 2688, 2811, 2976, 3255, 3360, 3472, 3720, 3748, 3968, 4340, 4480, 4685, 4960, 5208, 5622, 5952, 6510, 6559, 6720, 6944, 7440, 7496, 8680, 9370, 9920, 10416, 11244, 11904, 13020, 13118, 13440, 13888, 14055, 14880, 14992, 17360, 18740, 19677, 19840, 20832, 22488, 26040, 26236, 27776, 28110, 29047, 29760, 29984, 32795, 34720, 37480, 39354, 41664, 44976, 52080, 52472, 56220, 58094, 59520, 59968, 65590, 69440, 74960, 78708, 83328, 87141, 89952, 98385, 104160, 104944, 112440, 116188, 119936, 131180, 138880, 145235, 149920, 157416, 174282, 179904, 196770, 203329, 208320, 209888, 224880, 232376, 262360, 290470, 299840, 314832, 348564, 359808, 393540, 406658, 416640, 419776, 435705, 449760, 464752, 524720, 580940, 599680, 609987, 629664, 697128, 787080, 813316, 839552, 871410, 899520, 929504, 1016645, 1049440, 1161880, 1219974, 1259328, 1394256, 1574160, 1626632, 1742820, 1799040, 1859008, 2033290, 2098880, 2323760, 2439948, 2518656, 2788512, 3049935, 3148320, 3253264, 3485640, 3718016, 4066580, 4197760, 4647520, 4879896, 5577024, 6099870, 6296640, 6506528, 6971280, 8133160, 9295040, 9759792, 11154048, 12199740, 12593280, 13013056, 13942560, 16266320, 18590080, 19519584, 24399480, 26026112, 27885120, 32532640, 39039168, 48798960, 55770240, 65065280, 78078336, 97597920, 130130560, 195195840, 390391680]

約数ペア:

[(1, 390391680), (2, 195195840), (3, 130130560), (4, 97597920), (5, 78078336), (6, 65065280), (7, 55770240), (8, 48798960), (10, 39039168), (12, 32532640), (14, 27885120), (15, 26026112), (16, 24399480), (20, 19519584), (21, 18590080), (24, 16266320), (28, 13942560), (30, 13013056), (31, 12593280), (32, 12199740), (35, 11154048), (40, 9759792), (42, 9295040), (48, 8133160), (56, 6971280), (60, 6506528), (62, 6296640), (64, 6099870), (70, 5577024), (80, 4879896), (84, 4647520), (93, 4197760), (96, 4066580), (105, 3718016), (112, 3485640), (120, 3253264), (124, 3148320), (128, 3049935), (140, 2788512), (155, 2518656), (160, 2439948), (168, 2323760), (186, 2098880), (192, 2033290), (210, 1859008), (217, 1799040), (224, 1742820), (240, 1626632), (248, 1574160), (280, 1394256), (310, 1259328), (320, 1219974), (336, 1161880), (372, 1049440), (384, 1016645), (420, 929504), (434, 899520), (448, 871410), (465, 839552), (480, 813316), (496, 787080), (560, 697128), (620, 629664), (640, 609987), (651, 599680), (672, 580940), (744, 524720), (840, 464752), (868, 449760), (896, 435705), (930, 419776), (937, 416640), (960, 406658), (992, 393540), (1085, 359808), (1120, 348564), (1240, 314832), (1302, 299840), (1344, 290470), (1488, 262360), (1680, 232376), (1736, 224880), (1860, 209888), (1874, 208320), (1920, 203329), (1984, 196770), (2170, 179904), (2240, 174282), (2480, 157416), (2604, 149920), (2688, 145235), (2811, 138880), (2976, 131180), (3255, 119936), (3360, 116188), (3472, 112440), (3720, 104944), (3748, 104160), (3968, 98385), (4340, 89952), (4480, 87141), (4685, 83328), (4960, 78708), (5208, 74960), (5622, 69440), (5952, 65590), (6510, 59968), (6559, 59520), (6720, 58094), (6944, 56220), (7440, 52472), (7496, 52080), (8680, 44976), (9370, 41664), (9920, 39354), (10416, 37480), (11244, 34720), (11904, 32795), (13020, 29984), (13118, 29760), (13440, 29047), (13888, 28110), (14055, 27776), (14880, 26236), (14992, 26040), (17360, 22488), (18740, 20832), (19677, 19840)]