171869440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 447390720

約数和(自身を除く): 275521280

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, 191, 256, 296, 304, 320, 370, 380, 382, 592, 608, 640, 703, 740, 760, 764, 955, 1184, 1216, 1280, 1406, 1480, 1520, 1528, 1910, 2368, 2432, 2812, 2960, 3040, 3056, 3515, 3629, 3820, 4736, 4864, 5624, 5920, 6080, 6112, 7030, 7067, 7258, 7640, 9472, 11248, 11840, 12160, 12224, 14060, 14134, 14516, 15280, 18145, 22496, 23680, 24320, 24448, 28120, 28268, 29032, 30560, 35335, 36290, 44992, 47360, 48896, 56240, 56536, 58064, 61120, 70670, 72580, 89984, 112480, 113072, 116128, 122240, 134273, 141340, 145160, 179968, 224960, 226144, 232256, 244480, 268546, 282680, 290320, 449920, 452288, 464512, 537092, 565360, 580640, 671365, 899840, 904576, 929024, 1074184, 1130720, 1161280, 1342730, 1809152, 2148368, 2261440, 2322560, 2685460, 4296736, 4522880, 4645120, 5370920, 8593472, 9045760, 10741840, 17186944, 21483680, 34373888, 42967360, 85934720, 171869440]

約数ペア:

[(1, 171869440), (2, 85934720), (4, 42967360), (5, 34373888), (8, 21483680), (10, 17186944), (16, 10741840), (19, 9045760), (20, 8593472), (32, 5370920), (37, 4645120), (38, 4522880), (40, 4296736), (64, 2685460), (74, 2322560), (76, 2261440), (80, 2148368), (95, 1809152), (128, 1342730), (148, 1161280), (152, 1130720), (160, 1074184), (185, 929024), (190, 904576), (191, 899840), (256, 671365), (296, 580640), (304, 565360), (320, 537092), (370, 464512), (380, 452288), (382, 449920), (592, 290320), (608, 282680), (640, 268546), (703, 244480), (740, 232256), (760, 226144), (764, 224960), (955, 179968), (1184, 145160), (1216, 141340), (1280, 134273), (1406, 122240), (1480, 116128), (1520, 113072), (1528, 112480), (1910, 89984), (2368, 72580), (2432, 70670), (2812, 61120), (2960, 58064), (3040, 56536), (3056, 56240), (3515, 48896), (3629, 47360), (3820, 44992), (4736, 36290), (4864, 35335), (5624, 30560), (5920, 29032), (6080, 28268), (6112, 28120), (7030, 24448), (7067, 24320), (7258, 23680), (7640, 22496), (9472, 18145), (11248, 15280), (11840, 14516), (12160, 14134), (12224, 14060)]