164585440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:572

約数の個数: 96

約数和(自身を含む): 408240000

約数和(自身を除く): 243654560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 79, 80, 116, 145, 158, 160, 232, 290, 316, 395, 449, 464, 580, 632, 790, 898, 928, 1160, 1264, 1580, 1796, 2245, 2291, 2320, 2528, 3160, 3592, 4490, 4582, 4640, 6320, 7184, 8980, 9164, 11455, 12640, 13021, 14368, 17960, 18328, 22910, 26042, 35471, 35920, 36656, 45820, 52084, 65105, 70942, 71840, 73312, 91640, 104168, 130210, 141884, 177355, 183280, 208336, 260420, 283768, 354710, 366560, 416672, 520840, 567536, 709420, 1028659, 1041680, 1135072, 1418840, 2057318, 2083360, 2837680, 4114636, 5143295, 5675360, 8229272, 10286590, 16458544, 20573180, 32917088, 41146360, 82292720, 164585440]

約数ペア:

[(1, 164585440), (2, 82292720), (4, 41146360), (5, 32917088), (8, 20573180), (10, 16458544), (16, 10286590), (20, 8229272), (29, 5675360), (32, 5143295), (40, 4114636), (58, 2837680), (79, 2083360), (80, 2057318), (116, 1418840), (145, 1135072), (158, 1041680), (160, 1028659), (232, 709420), (290, 567536), (316, 520840), (395, 416672), (449, 366560), (464, 354710), (580, 283768), (632, 260420), (790, 208336), (898, 183280), (928, 177355), (1160, 141884), (1264, 130210), (1580, 104168), (1796, 91640), (2245, 73312), (2291, 71840), (2320, 70942), (2528, 65105), (3160, 52084), (3592, 45820), (4490, 36656), (4582, 35920), (4640, 35471), (6320, 26042), (7184, 22910), (8980, 18328), (9164, 17960), (11455, 14368), (12640, 13021)]