161205840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1237}}^1$

素因数の和:1437

約数の個数: 120

約数和(自身を含む): 544814088

約数和(自身を除く): 383608248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 181, 240, 360, 362, 543, 720, 724, 905, 1086, 1237, 1448, 1629, 1810, 2172, 2474, 2715, 2896, 3258, 3620, 3711, 4344, 4948, 5430, 6185, 6516, 7240, 7422, 8145, 8688, 9896, 10860, 11133, 12370, 13032, 14480, 14844, 16290, 18555, 19792, 21720, 22266, 24740, 26064, 29688, 32580, 37110, 43440, 44532, 49480, 55665, 59376, 65160, 74220, 89064, 98960, 111330, 130320, 148440, 178128, 222660, 223897, 296880, 445320, 447794, 671691, 890640, 895588, 1119485, 1343382, 1791176, 2015073, 2238970, 2686764, 3358455, 3582352, 4030146, 4477940, 5373528, 6716910, 8060292, 8955880, 10075365, 10747056, 13433820, 16120584, 17911760, 20150730, 26867640, 32241168, 40301460, 53735280, 80602920, 161205840]

約数ペア:

[(1, 161205840), (2, 80602920), (3, 53735280), (4, 40301460), (5, 32241168), (6, 26867640), (8, 20150730), (9, 17911760), (10, 16120584), (12, 13433820), (15, 10747056), (16, 10075365), (18, 8955880), (20, 8060292), (24, 6716910), (30, 5373528), (36, 4477940), (40, 4030146), (45, 3582352), (48, 3358455), (60, 2686764), (72, 2238970), (80, 2015073), (90, 1791176), (120, 1343382), (144, 1119485), (180, 895588), (181, 890640), (240, 671691), (360, 447794), (362, 445320), (543, 296880), (720, 223897), (724, 222660), (905, 178128), (1086, 148440), (1237, 130320), (1448, 111330), (1629, 98960), (1810, 89064), (2172, 74220), (2474, 65160), (2715, 59376), (2896, 55665), (3258, 49480), (3620, 44532), (3711, 43440), (4344, 37110), (4948, 32580), (5430, 29688), (6185, 26064), (6516, 24740), (7240, 22266), (7422, 21720), (8145, 19792), (8688, 18555), (9896, 16290), (10860, 14844), (11133, 14480), (12370, 13032)]