90243840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 293158656

約数和(自身を除く): 202914816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 256, 284, 320, 331, 355, 384, 426, 480, 568, 640, 662, 710, 768, 852, 960, 993, 1065, 1136, 1280, 1324, 1420, 1655, 1704, 1920, 1986, 2130, 2272, 2648, 2840, 3310, 3408, 3840, 3972, 4260, 4544, 4965, 5296, 5680, 6620, 6816, 7944, 8520, 9088, 9930, 10592, 11360, 13240, 13632, 15888, 17040, 18176, 19860, 21184, 22720, 23501, 26480, 27264, 31776, 34080, 39720, 42368, 45440, 47002, 52960, 54528, 63552, 68160, 70503, 79440, 84736, 90880, 94004, 105920, 117505, 127104, 136320, 141006, 158880, 188008, 211840, 235010, 254208, 272640, 282012, 317760, 352515, 376016, 423680, 470020, 564024, 635520, 705030, 752032, 940040, 1128048, 1271040, 1410060, 1504064, 1880080, 2256096, 2820120, 3008128, 3760160, 4512192, 5640240, 6016256, 7520320, 9024384, 11280480, 15040640, 18048768, 22560960, 30081280, 45121920, 90243840]

約数ペア:

[(1, 90243840), (2, 45121920), (3, 30081280), (4, 22560960), (5, 18048768), (6, 15040640), (8, 11280480), (10, 9024384), (12, 7520320), (15, 6016256), (16, 5640240), (20, 4512192), (24, 3760160), (30, 3008128), (32, 2820120), (40, 2256096), (48, 1880080), (60, 1504064), (64, 1410060), (71, 1271040), (80, 1128048), (96, 940040), (120, 752032), (128, 705030), (142, 635520), (160, 564024), (192, 470020), (213, 423680), (240, 376016), (256, 352515), (284, 317760), (320, 282012), (331, 272640), (355, 254208), (384, 235010), (426, 211840), (480, 188008), (568, 158880), (640, 141006), (662, 136320), (710, 127104), (768, 117505), (852, 105920), (960, 94004), (993, 90880), (1065, 84736), (1136, 79440), (1280, 70503), (1324, 68160), (1420, 63552), (1655, 54528), (1704, 52960), (1920, 47002), (1986, 45440), (2130, 42368), (2272, 39720), (2648, 34080), (2840, 31776), (3310, 27264), (3408, 26480), (3840, 23501), (3972, 22720), (4260, 21184), (4544, 19860), (4965, 18176), (5296, 17040), (5680, 15888), (6620, 13632), (6816, 13240), (7944, 11360), (8520, 10592), (9088, 9930)]