1813740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 5617920

約数和(自身を除く): 3804180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 43, 57, 60, 74, 76, 86, 95, 111, 114, 129, 148, 172, 185, 190, 215, 222, 228, 258, 285, 370, 380, 430, 444, 516, 555, 570, 645, 703, 740, 817, 860, 1110, 1140, 1290, 1406, 1591, 1634, 2109, 2220, 2451, 2580, 2812, 3182, 3268, 3515, 4085, 4218, 4773, 4902, 6364, 7030, 7955, 8170, 8436, 9546, 9804, 10545, 12255, 14060, 15910, 16340, 19092, 21090, 23865, 24510, 30229, 31820, 42180, 47730, 49020, 60458, 90687, 95460, 120916, 151145, 181374, 302290, 362748, 453435, 604580, 906870, 1813740]

約数ペア:

[(1, 1813740), (2, 906870), (3, 604580), (4, 453435), (5, 362748), (6, 302290), (10, 181374), (12, 151145), (15, 120916), (19, 95460), (20, 90687), (30, 60458), (37, 49020), (38, 47730), (43, 42180), (57, 31820), (60, 30229), (74, 24510), (76, 23865), (86, 21090), (95, 19092), (111, 16340), (114, 15910), (129, 14060), (148, 12255), (172, 10545), (185, 9804), (190, 9546), (215, 8436), (222, 8170), (228, 7955), (258, 7030), (285, 6364), (370, 4902), (380, 4773), (430, 4218), (444, 4085), (516, 3515), (555, 3268), (570, 3182), (645, 2812), (703, 2580), (740, 2451), (817, 2220), (860, 2109), (1110, 1634), (1140, 1591), (1290, 1406)]