30840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7559}}^1$

素因数の和:7592

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 70402800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 7559, 15118, 22677, 30236, 37795, 45354, 60472, 75590, 90708, 113385, 120944, 128503, 151180, 181416, 226770, 257006, 302360, 362832, 385509, 453540, 514012, 604720, 642515, 771018, 907080, 1028024, 1285030, 1542036, 1814160, 1927545, 2056048, 2570060, 3084072, 3855090, 5140120, 6168144, 7710180, 10280240, 15420360, 30840720]

約数ペア:

[(1, 30840720), (2, 15420360), (3, 10280240), (4, 7710180), (5, 6168144), (6, 5140120), (8, 3855090), (10, 3084072), (12, 2570060), (15, 2056048), (16, 1927545), (17, 1814160), (20, 1542036), (24, 1285030), (30, 1028024), (34, 907080), (40, 771018), (48, 642515), (51, 604720), (60, 514012), (68, 453540), (80, 385509), (85, 362832), (102, 302360), (120, 257006), (136, 226770), (170, 181416), (204, 151180), (240, 128503), (255, 120944), (272, 113385), (340, 90708), (408, 75590), (510, 60472), (680, 45354), (816, 37795), (1020, 30236), (1360, 22677), (2040, 15118), (4080, 7559)]