1668720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 5490720

約数和(自身を除く): 3822000

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, 409, 510, 680, 816, 818, 1020, 1227, 1360, 1636, 2040, 2045, 2454, 3272, 4080, 4090, 4908, 6135, 6544, 6953, 8180, 9816, 12270, 13906, 16360, 19632, 20859, 24540, 27812, 32720, 34765, 41718, 49080, 55624, 69530, 83436, 98160, 104295, 111248, 139060, 166872, 208590, 278120, 333744, 417180, 556240, 834360, 1668720]

約数ペア:

[(1, 1668720), (2, 834360), (3, 556240), (4, 417180), (5, 333744), (6, 278120), (8, 208590), (10, 166872), (12, 139060), (15, 111248), (16, 104295), (17, 98160), (20, 83436), (24, 69530), (30, 55624), (34, 49080), (40, 41718), (48, 34765), (51, 32720), (60, 27812), (68, 24540), (80, 20859), (85, 19632), (102, 16360), (120, 13906), (136, 12270), (170, 9816), (204, 8180), (240, 6953), (255, 6544), (272, 6135), (340, 4908), (408, 4090), (409, 4080), (510, 3272), (680, 2454), (816, 2045), (818, 2040), (1020, 1636), (1227, 1360)]