19782360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1442

約数の個数: 128

約数和(自身を含む): 71064000

約数和(自身を除く): 51281640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1409, 1560, 1755, 2340, 2808, 2818, 3510, 4227, 4680, 5636, 7020, 7045, 8454, 11272, 12681, 14040, 14090, 16908, 18317, 21135, 25362, 28180, 33816, 36634, 38043, 42270, 50724, 54951, 56360, 63405, 73268, 76086, 84540, 91585, 101448, 109902, 126810, 146536, 152172, 164853, 169080, 183170, 190215, 219804, 253620, 274755, 304344, 329706, 366340, 380430, 439608, 494559, 507240, 549510, 659412, 732680, 760860, 824265, 989118, 1099020, 1318824, 1521720, 1648530, 1978236, 2198040, 2472795, 3297060, 3956472, 4945590, 6594120, 9891180, 19782360]

約数ペア:

[(1, 19782360), (2, 9891180), (3, 6594120), (4, 4945590), (5, 3956472), (6, 3297060), (8, 2472795), (9, 2198040), (10, 1978236), (12, 1648530), (13, 1521720), (15, 1318824), (18, 1099020), (20, 989118), (24, 824265), (26, 760860), (27, 732680), (30, 659412), (36, 549510), (39, 507240), (40, 494559), (45, 439608), (52, 380430), (54, 366340), (60, 329706), (65, 304344), (72, 274755), (78, 253620), (90, 219804), (104, 190215), (108, 183170), (117, 169080), (120, 164853), (130, 152172), (135, 146536), (156, 126810), (180, 109902), (195, 101448), (216, 91585), (234, 84540), (260, 76086), (270, 73268), (312, 63405), (351, 56360), (360, 54951), (390, 50724), (468, 42270), (520, 38043), (540, 36634), (585, 33816), (702, 28180), (780, 25362), (936, 21135), (1080, 18317), (1170, 16908), (1404, 14090), (1409, 14040), (1560, 12681), (1755, 11272), (2340, 8454), (2808, 7045), (2818, 7020), (3510, 5636), (4227, 4680)]