128021040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{8467}}^1$

素因数の和:8496

約数の個数: 160

約数和(自身を含む): 504015360

約数和(自身を除く): 375994320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 8467, 15120, 16934, 25401, 33868, 42335, 50802, 59269, 67736, 76203, 84670, 101604, 118538, 127005, 135472, 152406, 169340, 177807, 203208, 228609, 237076, 254010, 296345, 304812, 338680, 355614, 381015, 406416, 457218, 474152, 508020, 533421, 592690, 609624, 677360, 711228, 762030, 889035, 914436, 948304, 1016040, 1066842, 1143045, 1185380, 1219248, 1422456, 1524060, 1600263, 1778070, 1828872, 2032080, 2133684, 2286090, 2370760, 2667105, 2844912, 3048120, 3200526, 3556140, 3657744, 4267368, 4572180, 4741520, 5334210, 6096240, 6401052, 7112280, 8001315, 8534736, 9144360, 10668420, 12802104, 14224560, 16002630, 18288720, 21336840, 25604208, 32005260, 42673680, 64010520, 128021040]

約数ペア:

[(1, 128021040), (2, 64010520), (3, 42673680), (4, 32005260), (5, 25604208), (6, 21336840), (7, 18288720), (8, 16002630), (9, 14224560), (10, 12802104), (12, 10668420), (14, 9144360), (15, 8534736), (16, 8001315), (18, 7112280), (20, 6401052), (21, 6096240), (24, 5334210), (27, 4741520), (28, 4572180), (30, 4267368), (35, 3657744), (36, 3556140), (40, 3200526), (42, 3048120), (45, 2844912), (48, 2667105), (54, 2370760), (56, 2286090), (60, 2133684), (63, 2032080), (70, 1828872), (72, 1778070), (80, 1600263), (84, 1524060), (90, 1422456), (105, 1219248), (108, 1185380), (112, 1143045), (120, 1066842), (126, 1016040), (135, 948304), (140, 914436), (144, 889035), (168, 762030), (180, 711228), (189, 677360), (210, 609624), (216, 592690), (240, 533421), (252, 508020), (270, 474152), (280, 457218), (315, 406416), (336, 381015), (360, 355614), (378, 338680), (420, 304812), (432, 296345), (504, 254010), (540, 237076), (560, 228609), (630, 203208), (720, 177807), (756, 169340), (840, 152406), (945, 135472), (1008, 127005), (1080, 118538), (1260, 101604), (1512, 84670), (1680, 76203), (1890, 67736), (2160, 59269), (2520, 50802), (3024, 42335), (3780, 33868), (5040, 25401), (7560, 16934), (8467, 15120)]