240019515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 471744000

約数和(自身を除く): 231724485

約数列:

[1, 3, 5, 9, 15, 17, 29, 31, 45, 51, 85, 87, 93, 145, 153, 155, 255, 261, 279, 349, 435, 465, 493, 527, 765, 899, 1047, 1305, 1395, 1479, 1581, 1745, 2465, 2635, 2697, 3141, 4437, 4495, 4743, 5235, 5933, 7395, 7905, 8091, 10121, 10819, 13485, 15283, 15705, 17799, 22185, 23715, 29665, 30363, 32457, 40455, 45849, 50605, 53397, 54095, 76415, 88995, 91089, 97371, 137547, 151815, 162285, 172057, 183923, 229245, 266985, 313751, 455445, 486855, 516171, 551769, 687735, 860285, 919615, 941253, 1548513, 1568755, 1655307, 2580855, 2758845, 2823759, 4706265, 5333767, 7742565, 8276535, 14118795, 16001301, 26668835, 48003903, 80006505, 240019515]

約数ペア:

[(1, 240019515), (3, 80006505), (5, 48003903), (9, 26668835), (15, 16001301), (17, 14118795), (29, 8276535), (31, 7742565), (45, 5333767), (51, 4706265), (85, 2823759), (87, 2758845), (93, 2580855), (145, 1655307), (153, 1568755), (155, 1548513), (255, 941253), (261, 919615), (279, 860285), (349, 687735), (435, 551769), (465, 516171), (493, 486855), (527, 455445), (765, 313751), (899, 266985), (1047, 229245), (1305, 183923), (1395, 172057), (1479, 162285), (1581, 151815), (1745, 137547), (2465, 97371), (2635, 91089), (2697, 88995), (3141, 76415), (4437, 54095), (4495, 53397), (4743, 50605), (5235, 45849), (5933, 40455), (7395, 32457), (7905, 30363), (8091, 29665), (10121, 23715), (10819, 22185), (13485, 17799), (15283, 15705)]