220827180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1171}}^1$

素因数の和:1639

約数の個数: 96

約数和(自身を含む): 708825600

約数和(自身を除く): 487998420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 449, 898, 1171, 1347, 1796, 2245, 2342, 2694, 3143, 3513, 4490, 4684, 5388, 5855, 6286, 6735, 7026, 8197, 8980, 9429, 11710, 12572, 13470, 14052, 15715, 16394, 17565, 18858, 23420, 24591, 26940, 31430, 32788, 35130, 37716, 40985, 47145, 49182, 62860, 70260, 81970, 94290, 98364, 122955, 163940, 188580, 245910, 491820, 525779, 1051558, 1577337, 2103116, 2628895, 3154674, 3680453, 5257790, 6309348, 7360906, 7886685, 10515580, 11041359, 14721812, 15773370, 18402265, 22082718, 31546740, 36804530, 44165436, 55206795, 73609060, 110413590, 220827180]

約数ペア:

[(1, 220827180), (2, 110413590), (3, 73609060), (4, 55206795), (5, 44165436), (6, 36804530), (7, 31546740), (10, 22082718), (12, 18402265), (14, 15773370), (15, 14721812), (20, 11041359), (21, 10515580), (28, 7886685), (30, 7360906), (35, 6309348), (42, 5257790), (60, 3680453), (70, 3154674), (84, 2628895), (105, 2103116), (140, 1577337), (210, 1051558), (420, 525779), (449, 491820), (898, 245910), (1171, 188580), (1347, 163940), (1796, 122955), (2245, 98364), (2342, 94290), (2694, 81970), (3143, 70260), (3513, 62860), (4490, 49182), (4684, 47145), (5388, 40985), (5855, 37716), (6286, 35130), (6735, 32788), (7026, 31430), (8197, 26940), (8980, 24591), (9429, 23420), (11710, 18858), (12572, 17565), (13470, 16394), (14052, 15715)]