247888980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32027}}^1$

素因数の和:32085

約数の個数: 72

約数和(自身を含む): 769440672

約数和(自身を除く): 521551692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 32027, 64054, 96081, 128108, 160135, 192162, 288243, 320270, 384324, 480405, 576486, 640540, 960810, 1152972, 1377161, 1441215, 1921620, 2754322, 2882430, 4131483, 5508644, 5764860, 6885805, 8262966, 12394449, 13771610, 16525932, 20657415, 24788898, 27543220, 41314830, 49577796, 61972245, 82629660, 123944490, 247888980]

約数ペア:

[(1, 247888980), (2, 123944490), (3, 82629660), (4, 61972245), (5, 49577796), (6, 41314830), (9, 27543220), (10, 24788898), (12, 20657415), (15, 16525932), (18, 13771610), (20, 12394449), (30, 8262966), (36, 6885805), (43, 5764860), (45, 5508644), (60, 4131483), (86, 2882430), (90, 2754322), (129, 1921620), (172, 1441215), (180, 1377161), (215, 1152972), (258, 960810), (387, 640540), (430, 576486), (516, 480405), (645, 384324), (774, 320270), (860, 288243), (1290, 192162), (1548, 160135), (1935, 128108), (2580, 96081), (3870, 64054), (7740, 32027)]