128158240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 376233984

約数和(自身を除く): 248075744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 53, 56, 68, 70, 80, 85, 106, 112, 119, 127, 136, 140, 160, 170, 212, 224, 238, 254, 265, 272, 280, 340, 371, 424, 476, 508, 530, 544, 560, 595, 635, 680, 742, 848, 889, 901, 952, 1016, 1060, 1120, 1190, 1270, 1360, 1484, 1696, 1778, 1802, 1855, 1904, 2032, 2120, 2159, 2380, 2540, 2720, 2968, 3556, 3604, 3710, 3808, 4064, 4240, 4318, 4445, 4505, 4760, 5080, 5936, 6307, 6731, 7112, 7208, 7420, 8480, 8636, 8890, 9010, 9520, 10160, 10795, 11872, 12614, 13462, 14224, 14416, 14840, 15113, 17272, 17780, 18020, 19040, 20320, 21590, 25228, 26924, 28448, 28832, 29680, 30226, 31535, 33655, 34544, 35560, 36040, 43180, 47117, 50456, 53848, 59360, 60452, 63070, 67310, 69088, 71120, 72080, 75565, 86360, 94234, 100912, 107696, 114427, 120904, 126140, 134620, 142240, 144160, 151130, 172720, 188468, 201824, 215392, 228854, 235585, 241808, 252280, 269240, 302260, 345440, 376936, 457708, 471170, 483616, 504560, 538480, 572135, 604520, 753872, 800989, 915416, 942340, 1009120, 1076960, 1144270, 1209040, 1507744, 1601978, 1830832, 1884680, 2288540, 2418080, 3203956, 3661664, 3769360, 4004945, 4577080, 6407912, 7538720, 8009890, 9154160, 12815824, 16019780, 18308320, 25631648, 32039560, 64079120, 128158240]

約数ペア:

[(1, 128158240), (2, 64079120), (4, 32039560), (5, 25631648), (7, 18308320), (8, 16019780), (10, 12815824), (14, 9154160), (16, 8009890), (17, 7538720), (20, 6407912), (28, 4577080), (32, 4004945), (34, 3769360), (35, 3661664), (40, 3203956), (53, 2418080), (56, 2288540), (68, 1884680), (70, 1830832), (80, 1601978), (85, 1507744), (106, 1209040), (112, 1144270), (119, 1076960), (127, 1009120), (136, 942340), (140, 915416), (160, 800989), (170, 753872), (212, 604520), (224, 572135), (238, 538480), (254, 504560), (265, 483616), (272, 471170), (280, 457708), (340, 376936), (371, 345440), (424, 302260), (476, 269240), (508, 252280), (530, 241808), (544, 235585), (560, 228854), (595, 215392), (635, 201824), (680, 188468), (742, 172720), (848, 151130), (889, 144160), (901, 142240), (952, 134620), (1016, 126140), (1060, 120904), (1120, 114427), (1190, 107696), (1270, 100912), (1360, 94234), (1484, 86360), (1696, 75565), (1778, 72080), (1802, 71120), (1855, 69088), (1904, 67310), (2032, 63070), (2120, 60452), (2159, 59360), (2380, 53848), (2540, 50456), (2720, 47117), (2968, 43180), (3556, 36040), (3604, 35560), (3710, 34544), (3808, 33655), (4064, 31535), (4240, 30226), (4318, 29680), (4445, 28832), (4505, 28448), (4760, 26924), (5080, 25228), (5936, 21590), (6307, 20320), (6731, 19040), (7112, 18020), (7208, 17780), (7420, 17272), (8480, 15113), (8636, 14840), (8890, 14416), (9010, 14224), (9520, 13462), (10160, 12614), (10795, 11872)]