1661101520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:893

約数の個数: 160

約数和(自身を含む): 4363054080

約数和(自身を除く): 2701952560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 67, 80, 104, 124, 130, 134, 155, 208, 248, 260, 268, 310, 335, 403, 496, 520, 536, 620, 670, 769, 806, 871, 1040, 1072, 1240, 1340, 1538, 1612, 1742, 2015, 2077, 2480, 2680, 3076, 3224, 3484, 3845, 4030, 4154, 4355, 5360, 6152, 6448, 6968, 7690, 8060, 8308, 8710, 9997, 10385, 12304, 13936, 15380, 16120, 16616, 17420, 19994, 20770, 23839, 27001, 30760, 32240, 33232, 34840, 39988, 41540, 47678, 49985, 51523, 54002, 61520, 69680, 79976, 83080, 95356, 99970, 103046, 108004, 119195, 135005, 159952, 166160, 190712, 199940, 206092, 216008, 238390, 257615, 270010, 309907, 381424, 399880, 412184, 432016, 476780, 515230, 540020, 619814, 669799, 799760, 824368, 953560, 1030460, 1080040, 1239628, 1339598, 1549535, 1597213, 1907120, 2060920, 2160080, 2479256, 2679196, 3099070, 3194426, 3348995, 4121840, 4958512, 5358392, 6198140, 6388852, 6697990, 7986065, 10716784, 12396280, 12777704, 13395980, 15972130, 20763769, 24792560, 25555408, 26791960, 31944260, 41527538, 53583920, 63888520, 83055076, 103818845, 127777040, 166110152, 207637690, 332220304, 415275380, 830550760, 1661101520]

約数ペア:

[(1, 1661101520), (2, 830550760), (4, 415275380), (5, 332220304), (8, 207637690), (10, 166110152), (13, 127777040), (16, 103818845), (20, 83055076), (26, 63888520), (31, 53583920), (40, 41527538), (52, 31944260), (62, 26791960), (65, 25555408), (67, 24792560), (80, 20763769), (104, 15972130), (124, 13395980), (130, 12777704), (134, 12396280), (155, 10716784), (208, 7986065), (248, 6697990), (260, 6388852), (268, 6198140), (310, 5358392), (335, 4958512), (403, 4121840), (496, 3348995), (520, 3194426), (536, 3099070), (620, 2679196), (670, 2479256), (769, 2160080), (806, 2060920), (871, 1907120), (1040, 1597213), (1072, 1549535), (1240, 1339598), (1340, 1239628), (1538, 1080040), (1612, 1030460), (1742, 953560), (2015, 824368), (2077, 799760), (2480, 669799), (2680, 619814), (3076, 540020), (3224, 515230), (3484, 476780), (3845, 432016), (4030, 412184), (4154, 399880), (4355, 381424), (5360, 309907), (6152, 270010), (6448, 257615), (6968, 238390), (7690, 216008), (8060, 206092), (8308, 199940), (8710, 190712), (9997, 166160), (10385, 159952), (12304, 135005), (13936, 119195), (15380, 108004), (16120, 103046), (16616, 99970), (17420, 95356), (19994, 83080), (20770, 79976), (23839, 69680), (27001, 61520), (30760, 54002), (32240, 51523), (33232, 49985), (34840, 47678), (39988, 41540)]