81262417920

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85331}}^1$

素因数の和:85392

約数の個数: 192

約数和(自身を含む): 268365726720

約数和(自身を除く): 187103308800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2048, 2480, 2560, 2976, 3072, 3720, 3840, 3968, 4960, 5120, 5952, 6144, 7440, 7680, 7936, 9920, 10240, 11904, 14880, 15360, 15872, 19840, 23808, 29760, 30720, 31744, 39680, 47616, 59520, 63488, 79360, 85331, 95232, 119040, 158720, 170662, 190464, 238080, 255993, 317440, 341324, 426655, 476160, 511986, 682648, 853310, 952320, 1023972, 1279965, 1365296, 1706620, 2047944, 2559930, 2645261, 2730592, 3413240, 4095888, 5119860, 5290522, 5461184, 6826480, 7935783, 8191776, 10239720, 10581044, 10922368, 13226305, 13652960, 15871566, 16383552, 20479440, 21162088, 21844736, 26452610, 27305920, 31743132, 32767104, 39678915, 40958880, 42324176, 43689472, 52905220, 54611840, 63486264, 65534208, 79357830, 81917760, 84648352, 87378944, 105810440, 109223680, 126972528, 131068416, 158715660, 163835520, 169296704, 174757888, 211620880, 218447360, 253945056, 262136832, 317431320, 327671040, 338593408, 423241760, 436894720, 507890112, 524273664, 634862640, 655342080, 677186816, 846483520, 873789440, 1015780224, 1269725280, 1310684160, 1354373632, 1692967040, 2031560448, 2539450560, 2621368320, 2708747264, 3385934080, 4063120896, 5078901120, 5417494528, 6771868160, 8126241792, 10157802240, 13543736320, 16252483584, 20315604480, 27087472640, 40631208960, 81262417920]

約数ペア:

[(1, 81262417920), (2, 40631208960), (3, 27087472640), (4, 20315604480), (5, 16252483584), (6, 13543736320), (8, 10157802240), (10, 8126241792), (12, 6771868160), (15, 5417494528), (16, 5078901120), (20, 4063120896), (24, 3385934080), (30, 2708747264), (31, 2621368320), (32, 2539450560), (40, 2031560448), (48, 1692967040), (60, 1354373632), (62, 1310684160), (64, 1269725280), (80, 1015780224), (93, 873789440), (96, 846483520), (120, 677186816), (124, 655342080), (128, 634862640), (155, 524273664), (160, 507890112), (186, 436894720), (192, 423241760), (240, 338593408), (248, 327671040), (256, 317431320), (310, 262136832), (320, 253945056), (372, 218447360), (384, 211620880), (465, 174757888), (480, 169296704), (496, 163835520), (512, 158715660), (620, 131068416), (640, 126972528), (744, 109223680), (768, 105810440), (930, 87378944), (960, 84648352), (992, 81917760), (1024, 79357830), (1240, 65534208), (1280, 63486264), (1488, 54611840), (1536, 52905220), (1860, 43689472), (1920, 42324176), (1984, 40958880), (2048, 39678915), (2480, 32767104), (2560, 31743132), (2976, 27305920), (3072, 26452610), (3720, 21844736), (3840, 21162088), (3968, 20479440), (4960, 16383552), (5120, 15871566), (5952, 13652960), (6144, 13226305), (7440, 10922368), (7680, 10581044), (7936, 10239720), (9920, 8191776), (10240, 7935783), (11904, 6826480), (14880, 5461184), (15360, 5290522), (15872, 5119860), (19840, 4095888), (23808, 3413240), (29760, 2730592), (30720, 2645261), (31744, 2559930), (39680, 2047944), (47616, 1706620), (59520, 1365296), (63488, 1279965), (79360, 1023972), (85331, 952320), (95232, 853310), (119040, 682648), (158720, 511986), (170662, 476160), (190464, 426655), (238080, 341324), (255993, 317440)]