281053440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:845

約数の個数: 216

約数和(自身を含む): 1005059328

約数和(自身を除く): 724005888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 787, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1574, 1860, 1920, 1984, 2232, 2304, 2361, 2480, 2790, 2880, 2976, 3148, 3720, 3840, 3935, 3968, 4464, 4722, 4960, 5580, 5760, 5952, 6296, 7083, 7440, 7870, 7936, 8928, 9444, 9920, 11160, 11520, 11805, 11904, 12592, 14166, 14880, 15740, 17856, 18888, 19840, 22320, 23610, 23808, 24397, 25184, 28332, 29760, 31480, 35415, 35712, 37776, 39680, 44640, 47220, 48794, 50368, 56664, 59520, 62960, 70830, 71424, 73191, 75552, 89280, 94440, 97588, 100736, 113328, 119040, 121985, 125920, 141660, 146382, 151104, 178560, 188880, 195176, 201472, 219573, 226656, 243970, 251840, 283320, 292764, 302208, 357120, 365955, 377760, 390352, 439146, 453312, 487940, 503680, 566640, 585528, 604416, 731910, 755520, 780704, 878292, 906624, 975880, 1007360, 1097865, 1133280, 1171056, 1463820, 1511040, 1561408, 1756584, 1813248, 1951760, 2195730, 2266560, 2342112, 2927640, 3022080, 3122816, 3513168, 3903520, 4391460, 4533120, 4684224, 5855280, 6245632, 7026336, 7807040, 8782920, 9066240, 9368448, 11710560, 14052672, 15614080, 17565840, 18736896, 23421120, 28105344, 31228160, 35131680, 46842240, 56210688, 70263360, 93684480, 140526720, 281053440]

約数ペア:

[(1, 281053440), (2, 140526720), (3, 93684480), (4, 70263360), (5, 56210688), (6, 46842240), (8, 35131680), (9, 31228160), (10, 28105344), (12, 23421120), (15, 18736896), (16, 17565840), (18, 15614080), (20, 14052672), (24, 11710560), (30, 9368448), (31, 9066240), (32, 8782920), (36, 7807040), (40, 7026336), (45, 6245632), (48, 5855280), (60, 4684224), (62, 4533120), (64, 4391460), (72, 3903520), (80, 3513168), (90, 3122816), (93, 3022080), (96, 2927640), (120, 2342112), (124, 2266560), (128, 2195730), (144, 1951760), (155, 1813248), (160, 1756584), (180, 1561408), (186, 1511040), (192, 1463820), (240, 1171056), (248, 1133280), (256, 1097865), (279, 1007360), (288, 975880), (310, 906624), (320, 878292), (360, 780704), (372, 755520), (384, 731910), (465, 604416), (480, 585528), (496, 566640), (558, 503680), (576, 487940), (620, 453312), (640, 439146), (720, 390352), (744, 377760), (768, 365955), (787, 357120), (930, 302208), (960, 292764), (992, 283320), (1116, 251840), (1152, 243970), (1240, 226656), (1280, 219573), (1395, 201472), (1440, 195176), (1488, 188880), (1574, 178560), (1860, 151104), (1920, 146382), (1984, 141660), (2232, 125920), (2304, 121985), (2361, 119040), (2480, 113328), (2790, 100736), (2880, 97588), (2976, 94440), (3148, 89280), (3720, 75552), (3840, 73191), (3935, 71424), (3968, 70830), (4464, 62960), (4722, 59520), (4960, 56664), (5580, 50368), (5760, 48794), (5952, 47220), (6296, 44640), (7083, 39680), (7440, 37776), (7870, 35712), (7936, 35415), (8928, 31480), (9444, 29760), (9920, 28332), (11160, 25184), (11520, 24397), (11805, 23808), (11904, 23610), (12592, 22320), (14166, 19840), (14880, 18888), (15740, 17856)]