1889475840

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{23431}}^1$

素因数の和:23465

約数の個数: 216

約数和(自身を含む): 7471621248

約数和(自身を除く): 5582145408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 23431, 26880, 40320, 46862, 70293, 80640, 93724, 117155, 140586, 164017, 187448, 210879, 234310, 281172, 328034, 351465, 374896, 421758, 468620, 492051, 562344, 656068, 702930, 749792, 820085, 843516, 937240, 984102, 1054395, 1124688, 1312136, 1405860, 1476153, 1499584, 1640170, 1687032, 1874480, 1968204, 2108790, 2249376, 2460255, 2624272, 2811720, 2952306, 2999168, 3280340, 3374064, 3748960, 3936408, 4217580, 4498752, 4920510, 5248544, 5623440, 5904612, 5998336, 6560680, 6748128, 7380765, 7497920, 7872816, 8435160, 8997504, 9841020, 10497088, 11246880, 11809224, 13121360, 13496256, 14761530, 14995840, 15745632, 16870320, 17995008, 19682040, 20994176, 22493760, 23618448, 26242720, 26992512, 29523060, 29991680, 31491264, 33740640, 39364080, 41988352, 44987520, 47236896, 52485440, 53985024, 59046120, 62982528, 67481280, 78728160, 89975040, 94473792, 104970880, 118092240, 125965056, 134962560, 157456320, 188947584, 209941760, 236184480, 269925120, 314912640, 377895168, 472368960, 629825280, 944737920, 1889475840]

約数ペア:

[(1, 1889475840), (2, 944737920), (3, 629825280), (4, 472368960), (5, 377895168), (6, 314912640), (7, 269925120), (8, 236184480), (9, 209941760), (10, 188947584), (12, 157456320), (14, 134962560), (15, 125965056), (16, 118092240), (18, 104970880), (20, 94473792), (21, 89975040), (24, 78728160), (28, 67481280), (30, 62982528), (32, 59046120), (35, 53985024), (36, 52485440), (40, 47236896), (42, 44987520), (45, 41988352), (48, 39364080), (56, 33740640), (60, 31491264), (63, 29991680), (64, 29523060), (70, 26992512), (72, 26242720), (80, 23618448), (84, 22493760), (90, 20994176), (96, 19682040), (105, 17995008), (112, 16870320), (120, 15745632), (126, 14995840), (128, 14761530), (140, 13496256), (144, 13121360), (160, 11809224), (168, 11246880), (180, 10497088), (192, 9841020), (210, 8997504), (224, 8435160), (240, 7872816), (252, 7497920), (256, 7380765), (280, 6748128), (288, 6560680), (315, 5998336), (320, 5904612), (336, 5623440), (360, 5248544), (384, 4920510), (420, 4498752), (448, 4217580), (480, 3936408), (504, 3748960), (560, 3374064), (576, 3280340), (630, 2999168), (640, 2952306), (672, 2811720), (720, 2624272), (768, 2460255), (840, 2249376), (896, 2108790), (960, 1968204), (1008, 1874480), (1120, 1687032), (1152, 1640170), (1260, 1499584), (1280, 1476153), (1344, 1405860), (1440, 1312136), (1680, 1124688), (1792, 1054395), (1920, 984102), (2016, 937240), (2240, 843516), (2304, 820085), (2520, 749792), (2688, 702930), (2880, 656068), (3360, 562344), (3840, 492051), (4032, 468620), (4480, 421758), (5040, 374896), (5376, 351465), (5760, 328034), (6720, 281172), (8064, 234310), (8960, 210879), (10080, 187448), (11520, 164017), (13440, 140586), (16128, 117155), (20160, 93724), (23431, 80640), (26880, 70293), (40320, 46862)]