81850560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 224

約数和(自身を含む): 296704512

約数和(自身を除く): 214853952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 64, 66, 69, 80, 88, 92, 96, 110, 115, 120, 132, 138, 160, 165, 176, 184, 192, 220, 230, 240, 253, 264, 276, 320, 330, 337, 345, 352, 368, 440, 460, 480, 506, 528, 552, 660, 674, 690, 704, 736, 759, 880, 920, 960, 1011, 1012, 1056, 1104, 1265, 1320, 1348, 1380, 1472, 1518, 1685, 1760, 1840, 2022, 2024, 2112, 2208, 2530, 2640, 2696, 2760, 3036, 3370, 3520, 3680, 3707, 3795, 4044, 4048, 4416, 5055, 5060, 5280, 5392, 5520, 6072, 6740, 7360, 7414, 7590, 7751, 8088, 8096, 10110, 10120, 10560, 10784, 11040, 11121, 12144, 13480, 14828, 15180, 15502, 16176, 16192, 18535, 20220, 20240, 21568, 22080, 22242, 23253, 24288, 26960, 29656, 30360, 31004, 32352, 37070, 38755, 40440, 40480, 44484, 46506, 48576, 53920, 55605, 59312, 60720, 62008, 64704, 74140, 77510, 80880, 80960, 85261, 88968, 93012, 107840, 111210, 116265, 118624, 121440, 124016, 148280, 155020, 161760, 170522, 177936, 186024, 222420, 232530, 237248, 242880, 248032, 255783, 296560, 310040, 323520, 341044, 355872, 372048, 426305, 444840, 465060, 496064, 511566, 593120, 620080, 682088, 711744, 744096, 852610, 889680, 930120, 1023132, 1186240, 1240160, 1278915, 1364176, 1488192, 1705220, 1779360, 1860240, 2046264, 2480320, 2557830, 2728352, 3410440, 3558720, 3720480, 4092528, 5115660, 5456704, 6820880, 7440960, 8185056, 10231320, 13641760, 16370112, 20462640, 27283520, 40925280, 81850560]

約数ペア:

[(1, 81850560), (2, 40925280), (3, 27283520), (4, 20462640), (5, 16370112), (6, 13641760), (8, 10231320), (10, 8185056), (11, 7440960), (12, 6820880), (15, 5456704), (16, 5115660), (20, 4092528), (22, 3720480), (23, 3558720), (24, 3410440), (30, 2728352), (32, 2557830), (33, 2480320), (40, 2046264), (44, 1860240), (46, 1779360), (48, 1705220), (55, 1488192), (60, 1364176), (64, 1278915), (66, 1240160), (69, 1186240), (80, 1023132), (88, 930120), (92, 889680), (96, 852610), (110, 744096), (115, 711744), (120, 682088), (132, 620080), (138, 593120), (160, 511566), (165, 496064), (176, 465060), (184, 444840), (192, 426305), (220, 372048), (230, 355872), (240, 341044), (253, 323520), (264, 310040), (276, 296560), (320, 255783), (330, 248032), (337, 242880), (345, 237248), (352, 232530), (368, 222420), (440, 186024), (460, 177936), (480, 170522), (506, 161760), (528, 155020), (552, 148280), (660, 124016), (674, 121440), (690, 118624), (704, 116265), (736, 111210), (759, 107840), (880, 93012), (920, 88968), (960, 85261), (1011, 80960), (1012, 80880), (1056, 77510), (1104, 74140), (1265, 64704), (1320, 62008), (1348, 60720), (1380, 59312), (1472, 55605), (1518, 53920), (1685, 48576), (1760, 46506), (1840, 44484), (2022, 40480), (2024, 40440), (2112, 38755), (2208, 37070), (2530, 32352), (2640, 31004), (2696, 30360), (2760, 29656), (3036, 26960), (3370, 24288), (3520, 23253), (3680, 22242), (3707, 22080), (3795, 21568), (4044, 20240), (4048, 20220), (4416, 18535), (5055, 16192), (5060, 16176), (5280, 15502), (5392, 15180), (5520, 14828), (6072, 13480), (6740, 12144), (7360, 11121), (7414, 11040), (7590, 10784), (7751, 10560), (8088, 10120), (8096, 10110)]