163958240

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 399911904

約数和(自身を除く): 235953664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 107, 122, 157, 160, 214, 244, 305, 314, 428, 488, 535, 610, 628, 785, 856, 976, 1070, 1220, 1256, 1570, 1712, 1952, 2140, 2440, 2512, 3140, 3424, 4280, 4880, 5024, 6280, 6527, 8560, 9577, 9760, 12560, 13054, 16799, 17120, 19154, 25120, 26108, 32635, 33598, 38308, 47885, 52216, 65270, 67196, 76616, 83995, 95770, 104432, 130540, 134392, 153232, 167990, 191540, 208864, 261080, 268784, 306464, 335980, 383080, 522160, 537568, 671960, 766160, 1024739, 1044320, 1343920, 1532320, 2049478, 2687840, 4098956, 5123695, 8197912, 10247390, 16395824, 20494780, 32791648, 40989560, 81979120, 163958240]

約数ペア:

[(1, 163958240), (2, 81979120), (4, 40989560), (5, 32791648), (8, 20494780), (10, 16395824), (16, 10247390), (20, 8197912), (32, 5123695), (40, 4098956), (61, 2687840), (80, 2049478), (107, 1532320), (122, 1343920), (157, 1044320), (160, 1024739), (214, 766160), (244, 671960), (305, 537568), (314, 522160), (428, 383080), (488, 335980), (535, 306464), (610, 268784), (628, 261080), (785, 208864), (856, 191540), (976, 167990), (1070, 153232), (1220, 134392), (1256, 130540), (1570, 104432), (1712, 95770), (1952, 83995), (2140, 76616), (2440, 67196), (2512, 65270), (3140, 52216), (3424, 47885), (4280, 38308), (4880, 33598), (5024, 32635), (6280, 26108), (6527, 25120), (8560, 19154), (9577, 17120), (9760, 16799), (12560, 13054)]