263653120

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 685067040

約数和(自身を除く): 421413920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 128, 148, 152, 160, 185, 190, 256, 293, 296, 304, 320, 370, 380, 586, 592, 608, 640, 703, 740, 760, 1172, 1184, 1216, 1280, 1406, 1465, 1480, 1520, 2344, 2368, 2432, 2812, 2930, 2960, 3040, 3515, 4688, 4736, 4864, 5567, 5624, 5860, 5920, 6080, 7030, 9376, 9472, 10841, 11134, 11248, 11720, 11840, 12160, 14060, 18752, 21682, 22268, 22496, 23440, 23680, 24320, 27835, 28120, 37504, 43364, 44536, 44992, 46880, 47360, 54205, 55670, 56240, 75008, 86728, 89072, 89984, 93760, 108410, 111340, 112480, 173456, 178144, 179968, 187520, 205979, 216820, 222680, 224960, 346912, 356288, 375040, 411958, 433640, 445360, 449920, 693824, 712576, 823916, 867280, 890720, 899840, 1029895, 1387648, 1425152, 1647832, 1734560, 1781440, 2059790, 2775296, 3295664, 3469120, 3562880, 4119580, 6591328, 6938240, 7125760, 8239160, 13182656, 13876480, 16478320, 26365312, 32956640, 52730624, 65913280, 131826560, 263653120]

約数ペア:

[(1, 263653120), (2, 131826560), (4, 65913280), (5, 52730624), (8, 32956640), (10, 26365312), (16, 16478320), (19, 13876480), (20, 13182656), (32, 8239160), (37, 7125760), (38, 6938240), (40, 6591328), (64, 4119580), (74, 3562880), (76, 3469120), (80, 3295664), (95, 2775296), (128, 2059790), (148, 1781440), (152, 1734560), (160, 1647832), (185, 1425152), (190, 1387648), (256, 1029895), (293, 899840), (296, 890720), (304, 867280), (320, 823916), (370, 712576), (380, 693824), (586, 449920), (592, 445360), (608, 433640), (640, 411958), (703, 375040), (740, 356288), (760, 346912), (1172, 224960), (1184, 222680), (1216, 216820), (1280, 205979), (1406, 187520), (1465, 179968), (1480, 178144), (1520, 173456), (2344, 112480), (2368, 111340), (2432, 108410), (2812, 93760), (2930, 89984), (2960, 89072), (3040, 86728), (3515, 75008), (4688, 56240), (4736, 55670), (4864, 54205), (5567, 47360), (5624, 46880), (5860, 44992), (5920, 44536), (6080, 43364), (7030, 37504), (9376, 28120), (9472, 27835), (10841, 24320), (11134, 23680), (11248, 23440), (11720, 22496), (11840, 22268), (12160, 21682), (14060, 18752)]