245311360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3221}}^1$

素因数の和:3264

約数の個数: 128

約数和(自身を含む): 709871040

約数和(自身を除く): 464559680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 3221, 3808, 4480, 4760, 5440, 6442, 7616, 9520, 10880, 12884, 15232, 16105, 19040, 22547, 25768, 32210, 38080, 45094, 51536, 54757, 64420, 76160, 90188, 103072, 109514, 112735, 128840, 180376, 206144, 219028, 225470, 257680, 273785, 360752, 383299, 412288, 438056, 450940, 515360, 547570, 721504, 766598, 876112, 901880, 1030720, 1095140, 1443008, 1533196, 1752224, 1803760, 1916495, 2061440, 2190280, 2886016, 3066392, 3504448, 3607520, 3832990, 4380560, 6132784, 7008896, 7215040, 7665980, 8761120, 12265568, 14430080, 15331960, 17522240, 24531136, 30663920, 35044480, 49062272, 61327840, 122655680, 245311360]

約数ペア:

[(1, 245311360), (2, 122655680), (4, 61327840), (5, 49062272), (7, 35044480), (8, 30663920), (10, 24531136), (14, 17522240), (16, 15331960), (17, 14430080), (20, 12265568), (28, 8761120), (32, 7665980), (34, 7215040), (35, 7008896), (40, 6132784), (56, 4380560), (64, 3832990), (68, 3607520), (70, 3504448), (80, 3066392), (85, 2886016), (112, 2190280), (119, 2061440), (128, 1916495), (136, 1803760), (140, 1752224), (160, 1533196), (170, 1443008), (224, 1095140), (238, 1030720), (272, 901880), (280, 876112), (320, 766598), (340, 721504), (448, 547570), (476, 515360), (544, 450940), (560, 438056), (595, 412288), (640, 383299), (680, 360752), (896, 273785), (952, 257680), (1088, 225470), (1120, 219028), (1190, 206144), (1360, 180376), (1904, 128840), (2176, 112735), (2240, 109514), (2380, 103072), (2720, 90188), (3221, 76160), (3808, 64420), (4480, 54757), (4760, 51536), (5440, 45094), (6442, 38080), (7616, 32210), (9520, 25768), (10880, 22547), (12884, 19040), (15232, 16105)]