205420800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:865

約数の個数: 216

約数和(自身を含む): 730967104

約数和(自身を除く): 525546304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 256, 260, 300, 312, 320, 325, 384, 390, 400, 416, 480, 520, 600, 624, 640, 650, 768, 780, 800, 823, 832, 960, 975, 1040, 1200, 1248, 1280, 1300, 1560, 1600, 1646, 1664, 1920, 1950, 2080, 2400, 2469, 2496, 2600, 3120, 3200, 3292, 3328, 3840, 3900, 4115, 4160, 4800, 4938, 4992, 5200, 6240, 6400, 6584, 7800, 8230, 8320, 9600, 9876, 9984, 10400, 10699, 12345, 12480, 13168, 15600, 16460, 16640, 19200, 19752, 20575, 20800, 21398, 24690, 24960, 26336, 31200, 32097, 32920, 39504, 41150, 41600, 42796, 49380, 49920, 52672, 53495, 61725, 62400, 64194, 65840, 79008, 82300, 83200, 85592, 98760, 105344, 106990, 123450, 124800, 128388, 131680, 158016, 160485, 164600, 171184, 197520, 210688, 213980, 246900, 249600, 256776, 263360, 267475, 316032, 320970, 329200, 342368, 395040, 427960, 493800, 513552, 526720, 534950, 632064, 641940, 658400, 684736, 790080, 802425, 855920, 987600, 1027104, 1053440, 1069900, 1283880, 1316800, 1369472, 1580160, 1604850, 1711840, 1975200, 2054208, 2139800, 2567760, 2633600, 2738944, 3160320, 3209700, 3423680, 3950400, 4108416, 4279600, 5135520, 5267200, 6419400, 6847360, 7900800, 8216832, 8559200, 10271040, 12838800, 13694720, 15801600, 17118400, 20542080, 25677600, 34236800, 41084160, 51355200, 68473600, 102710400, 205420800]

約数ペア:

[(1, 205420800), (2, 102710400), (3, 68473600), (4, 51355200), (5, 41084160), (6, 34236800), (8, 25677600), (10, 20542080), (12, 17118400), (13, 15801600), (15, 13694720), (16, 12838800), (20, 10271040), (24, 8559200), (25, 8216832), (26, 7900800), (30, 6847360), (32, 6419400), (39, 5267200), (40, 5135520), (48, 4279600), (50, 4108416), (52, 3950400), (60, 3423680), (64, 3209700), (65, 3160320), (75, 2738944), (78, 2633600), (80, 2567760), (96, 2139800), (100, 2054208), (104, 1975200), (120, 1711840), (128, 1604850), (130, 1580160), (150, 1369472), (156, 1316800), (160, 1283880), (192, 1069900), (195, 1053440), (200, 1027104), (208, 987600), (240, 855920), (256, 802425), (260, 790080), (300, 684736), (312, 658400), (320, 641940), (325, 632064), (384, 534950), (390, 526720), (400, 513552), (416, 493800), (480, 427960), (520, 395040), (600, 342368), (624, 329200), (640, 320970), (650, 316032), (768, 267475), (780, 263360), (800, 256776), (823, 249600), (832, 246900), (960, 213980), (975, 210688), (1040, 197520), (1200, 171184), (1248, 164600), (1280, 160485), (1300, 158016), (1560, 131680), (1600, 128388), (1646, 124800), (1664, 123450), (1920, 106990), (1950, 105344), (2080, 98760), (2400, 85592), (2469, 83200), (2496, 82300), (2600, 79008), (3120, 65840), (3200, 64194), (3292, 62400), (3328, 61725), (3840, 53495), (3900, 52672), (4115, 49920), (4160, 49380), (4800, 42796), (4938, 41600), (4992, 41150), (5200, 39504), (6240, 32920), (6400, 32097), (6584, 31200), (7800, 26336), (8230, 24960), (8320, 24690), (9600, 21398), (9876, 20800), (9984, 20575), (10400, 19752), (10699, 19200), (12345, 16640), (12480, 16460), (13168, 15600)]