72289920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1682

約数の個数: 128

約数和(自身を含む): 240589440

約数和(自身を除く): 168299520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1637, 1840, 1920, 2208, 2760, 2944, 3274, 3680, 4416, 4911, 5520, 6548, 7360, 8185, 8832, 9822, 11040, 13096, 14720, 16370, 19644, 22080, 24555, 26192, 32740, 37651, 39288, 44160, 49110, 52384, 65480, 75302, 78576, 98220, 104768, 112953, 130960, 150604, 157152, 188255, 196440, 209536, 225906, 261920, 301208, 314304, 376510, 392880, 451812, 523840, 564765, 602416, 628608, 753020, 785760, 903624, 1047680, 1129530, 1204832, 1506040, 1571520, 1807248, 2259060, 2409664, 3012080, 3143040, 3614496, 4518120, 4819328, 6024160, 7228992, 9036240, 12048320, 14457984, 18072480, 24096640, 36144960, 72289920]

約数ペア:

[(1, 72289920), (2, 36144960), (3, 24096640), (4, 18072480), (5, 14457984), (6, 12048320), (8, 9036240), (10, 7228992), (12, 6024160), (15, 4819328), (16, 4518120), (20, 3614496), (23, 3143040), (24, 3012080), (30, 2409664), (32, 2259060), (40, 1807248), (46, 1571520), (48, 1506040), (60, 1204832), (64, 1129530), (69, 1047680), (80, 903624), (92, 785760), (96, 753020), (115, 628608), (120, 602416), (128, 564765), (138, 523840), (160, 451812), (184, 392880), (192, 376510), (230, 314304), (240, 301208), (276, 261920), (320, 225906), (345, 209536), (368, 196440), (384, 188255), (460, 157152), (480, 150604), (552, 130960), (640, 112953), (690, 104768), (736, 98220), (920, 78576), (960, 75302), (1104, 65480), (1380, 52384), (1472, 49110), (1637, 44160), (1840, 39288), (1920, 37651), (2208, 32740), (2760, 26192), (2944, 24555), (3274, 22080), (3680, 19644), (4416, 16370), (4911, 14720), (5520, 13096), (6548, 11040), (7360, 9822), (8185, 8832)]