42546780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 138378240

約数和(自身を除く): 95831460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 172, 180, 207, 215, 230, 239, 258, 276, 345, 387, 414, 430, 460, 478, 516, 645, 690, 717, 774, 828, 860, 956, 989, 1035, 1195, 1290, 1380, 1434, 1548, 1935, 1978, 2070, 2151, 2390, 2580, 2868, 2967, 3585, 3870, 3956, 4140, 4302, 4780, 4945, 5497, 5934, 7170, 7740, 8604, 8901, 9890, 10277, 10755, 10994, 11868, 14340, 14835, 16491, 17802, 19780, 20554, 21510, 21988, 27485, 29670, 30831, 32982, 35604, 41108, 43020, 44505, 49473, 51385, 54970, 59340, 61662, 65964, 82455, 89010, 92493, 98946, 102770, 109940, 123324, 154155, 164910, 178020, 184986, 197892, 205540, 236371, 247365, 308310, 329820, 369972, 462465, 472742, 494730, 616620, 709113, 924930, 945484, 989460, 1181855, 1418226, 1849860, 2127339, 2363710, 2836452, 3545565, 4254678, 4727420, 7091130, 8509356, 10636695, 14182260, 21273390, 42546780]

約数ペア:

[(1, 42546780), (2, 21273390), (3, 14182260), (4, 10636695), (5, 8509356), (6, 7091130), (9, 4727420), (10, 4254678), (12, 3545565), (15, 2836452), (18, 2363710), (20, 2127339), (23, 1849860), (30, 1418226), (36, 1181855), (43, 989460), (45, 945484), (46, 924930), (60, 709113), (69, 616620), (86, 494730), (90, 472742), (92, 462465), (115, 369972), (129, 329820), (138, 308310), (172, 247365), (180, 236371), (207, 205540), (215, 197892), (230, 184986), (239, 178020), (258, 164910), (276, 154155), (345, 123324), (387, 109940), (414, 102770), (430, 98946), (460, 92493), (478, 89010), (516, 82455), (645, 65964), (690, 61662), (717, 59340), (774, 54970), (828, 51385), (860, 49473), (956, 44505), (989, 43020), (1035, 41108), (1195, 35604), (1290, 32982), (1380, 30831), (1434, 29670), (1548, 27485), (1935, 21988), (1978, 21510), (2070, 20554), (2151, 19780), (2390, 17802), (2580, 16491), (2868, 14835), (2967, 14340), (3585, 11868), (3870, 10994), (3956, 10755), (4140, 10277), (4302, 9890), (4780, 8901), (4945, 8604), (5497, 7740), (5934, 7170)]