1921784320

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 160

約数和(自身を含む): 4864831488

約数和(自身を除く): 2943047168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 127, 128, 160, 184, 230, 254, 256, 257, 320, 368, 460, 508, 512, 514, 635, 640, 736, 920, 1016, 1028, 1270, 1280, 1285, 1472, 1840, 2032, 2056, 2540, 2560, 2570, 2921, 2944, 3680, 4064, 4112, 5080, 5140, 5842, 5888, 5911, 7360, 8128, 8224, 10160, 10280, 11684, 11776, 11822, 14605, 14720, 16256, 16448, 20320, 20560, 23368, 23644, 29210, 29440, 29555, 32512, 32639, 32896, 40640, 41120, 46736, 47288, 58420, 58880, 59110, 65024, 65278, 65792, 81280, 82240, 93472, 94576, 116840, 118220, 130556, 131584, 162560, 163195, 164480, 186944, 189152, 233680, 236440, 261112, 325120, 326390, 328960, 373888, 378304, 467360, 472880, 522224, 652780, 657920, 747776, 750697, 756608, 934720, 945760, 1044448, 1305560, 1495552, 1501394, 1513216, 1869440, 1891520, 2088896, 2611120, 3002788, 3026432, 3738880, 3753485, 3783040, 4177792, 5222240, 6005576, 7477760, 7506970, 7566080, 8355584, 10444480, 12011152, 15013940, 15132160, 16711168, 20888960, 24022304, 30027880, 41777920, 48044608, 60055760, 83555840, 96089216, 120111520, 192178432, 240223040, 384356864, 480446080, 960892160, 1921784320]

約数ペア:

[(1, 1921784320), (2, 960892160), (4, 480446080), (5, 384356864), (8, 240223040), (10, 192178432), (16, 120111520), (20, 96089216), (23, 83555840), (32, 60055760), (40, 48044608), (46, 41777920), (64, 30027880), (80, 24022304), (92, 20888960), (115, 16711168), (127, 15132160), (128, 15013940), (160, 12011152), (184, 10444480), (230, 8355584), (254, 7566080), (256, 7506970), (257, 7477760), (320, 6005576), (368, 5222240), (460, 4177792), (508, 3783040), (512, 3753485), (514, 3738880), (635, 3026432), (640, 3002788), (736, 2611120), (920, 2088896), (1016, 1891520), (1028, 1869440), (1270, 1513216), (1280, 1501394), (1285, 1495552), (1472, 1305560), (1840, 1044448), (2032, 945760), (2056, 934720), (2540, 756608), (2560, 750697), (2570, 747776), (2921, 657920), (2944, 652780), (3680, 522224), (4064, 472880), (4112, 467360), (5080, 378304), (5140, 373888), (5842, 328960), (5888, 326390), (5911, 325120), (7360, 261112), (8128, 236440), (8224, 233680), (10160, 189152), (10280, 186944), (11684, 164480), (11776, 163195), (11822, 162560), (14605, 131584), (14720, 130556), (16256, 118220), (16448, 116840), (20320, 94576), (20560, 93472), (23368, 82240), (23644, 81280), (29210, 65792), (29440, 65278), (29555, 65024), (32512, 59110), (32639, 58880), (32896, 58420), (40640, 47288), (41120, 46736)]