218278620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{907}}^1$

素因数の和:1120

約数の個数: 144

約数和(自身を含む): 761499648

約数和(自身を除く): 543221028

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, 191, 210, 252, 315, 382, 420, 573, 630, 764, 907, 955, 1146, 1260, 1337, 1719, 1814, 1910, 2292, 2674, 2721, 2865, 3438, 3628, 3820, 4011, 4535, 5348, 5442, 5730, 6349, 6685, 6876, 8022, 8163, 8595, 9070, 10884, 11460, 12033, 12698, 13370, 13605, 16044, 16326, 17190, 18140, 19047, 20055, 24066, 25396, 26740, 27210, 31745, 32652, 34380, 38094, 40110, 40815, 48132, 54420, 57141, 60165, 63490, 76188, 80220, 81630, 95235, 114282, 120330, 126980, 163260, 173237, 190470, 228564, 240660, 285705, 346474, 380940, 519711, 571410, 692948, 866185, 1039422, 1142820, 1212659, 1559133, 1732370, 2078844, 2425318, 2598555, 3118266, 3464740, 3637977, 4850636, 5197110, 6063295, 6236532, 7275954, 7795665, 10394220, 10913931, 12126590, 14551908, 15591330, 18189885, 21827862, 24253180, 31182660, 36379770, 43655724, 54569655, 72759540, 109139310, 218278620]

約数ペア:

[(1, 218278620), (2, 109139310), (3, 72759540), (4, 54569655), (5, 43655724), (6, 36379770), (7, 31182660), (9, 24253180), (10, 21827862), (12, 18189885), (14, 15591330), (15, 14551908), (18, 12126590), (20, 10913931), (21, 10394220), (28, 7795665), (30, 7275954), (35, 6236532), (36, 6063295), (42, 5197110), (45, 4850636), (60, 3637977), (63, 3464740), (70, 3118266), (84, 2598555), (90, 2425318), (105, 2078844), (126, 1732370), (140, 1559133), (180, 1212659), (191, 1142820), (210, 1039422), (252, 866185), (315, 692948), (382, 571410), (420, 519711), (573, 380940), (630, 346474), (764, 285705), (907, 240660), (955, 228564), (1146, 190470), (1260, 173237), (1337, 163260), (1719, 126980), (1814, 120330), (1910, 114282), (2292, 95235), (2674, 81630), (2721, 80220), (2865, 76188), (3438, 63490), (3628, 60165), (3820, 57141), (4011, 54420), (4535, 48132), (5348, 40815), (5442, 40110), (5730, 38094), (6349, 34380), (6685, 32652), (6876, 31745), (8022, 27210), (8163, 26740), (8595, 25396), (9070, 24066), (10884, 20055), (11460, 19047), (12033, 18140), (12698, 17190), (13370, 16326), (13605, 16044)]