90471040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 240589440

約数和(自身を除く): 150118400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 128, 142, 160, 176, 181, 220, 284, 320, 352, 355, 362, 440, 568, 640, 704, 710, 724, 781, 880, 905, 1136, 1408, 1420, 1448, 1562, 1760, 1810, 1991, 2272, 2840, 2896, 3124, 3520, 3620, 3905, 3982, 4544, 5680, 5792, 6248, 7040, 7240, 7810, 7964, 9088, 9955, 11360, 11584, 12496, 12851, 14480, 15620, 15928, 19910, 22720, 23168, 24992, 25702, 28960, 31240, 31856, 39820, 45440, 49984, 51404, 57920, 62480, 63712, 64255, 79640, 99968, 102808, 115840, 124960, 127424, 128510, 141361, 159280, 205616, 249920, 254848, 257020, 282722, 318560, 411232, 499840, 514040, 565444, 637120, 706805, 822464, 1028080, 1130888, 1274240, 1413610, 1644928, 2056160, 2261776, 2827220, 4112320, 4523552, 5654440, 8224640, 9047104, 11308880, 18094208, 22617760, 45235520, 90471040]

約数ペア:

[(1, 90471040), (2, 45235520), (4, 22617760), (5, 18094208), (8, 11308880), (10, 9047104), (11, 8224640), (16, 5654440), (20, 4523552), (22, 4112320), (32, 2827220), (40, 2261776), (44, 2056160), (55, 1644928), (64, 1413610), (71, 1274240), (80, 1130888), (88, 1028080), (110, 822464), (128, 706805), (142, 637120), (160, 565444), (176, 514040), (181, 499840), (220, 411232), (284, 318560), (320, 282722), (352, 257020), (355, 254848), (362, 249920), (440, 205616), (568, 159280), (640, 141361), (704, 128510), (710, 127424), (724, 124960), (781, 115840), (880, 102808), (905, 99968), (1136, 79640), (1408, 64255), (1420, 63712), (1448, 62480), (1562, 57920), (1760, 51404), (1810, 49984), (1991, 45440), (2272, 39820), (2840, 31856), (2896, 31240), (3124, 28960), (3520, 25702), (3620, 24992), (3905, 23168), (3982, 22720), (4544, 19910), (5680, 15928), (5792, 15620), (6248, 14480), (7040, 12851), (7240, 12496), (7810, 11584), (7964, 11360), (9088, 9955)]