15809220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12547}}^1$

素因数の和:12569

約数の個数: 72

約数和(自身を含む): 54809664

約数和(自身を除く): 39000444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12547, 25094, 37641, 50188, 62735, 75282, 87829, 112923, 125470, 150564, 175658, 188205, 225846, 250940, 263487, 351316, 376410, 439145, 451692, 526974, 564615, 752820, 790461, 878290, 1053948, 1129230, 1317435, 1580922, 1756580, 2258460, 2634870, 3161844, 3952305, 5269740, 7904610, 15809220]

約数ペア:

[(1, 15809220), (2, 7904610), (3, 5269740), (4, 3952305), (5, 3161844), (6, 2634870), (7, 2258460), (9, 1756580), (10, 1580922), (12, 1317435), (14, 1129230), (15, 1053948), (18, 878290), (20, 790461), (21, 752820), (28, 564615), (30, 526974), (35, 451692), (36, 439145), (42, 376410), (45, 351316), (60, 263487), (63, 250940), (70, 225846), (84, 188205), (90, 175658), (105, 150564), (126, 125470), (140, 112923), (180, 87829), (210, 75282), (252, 62735), (315, 50188), (420, 37641), (630, 25094), (1260, 12547)]