561540

素因数分解:

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

素因数の和:217

約数の個数: 72

約数和(自身を含む): 1838592

約数和(自身を除く): 1277052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 191, 196, 210, 245, 294, 382, 420, 490, 573, 588, 735, 764, 955, 980, 1146, 1337, 1470, 1910, 2292, 2674, 2865, 2940, 3820, 4011, 5348, 5730, 6685, 8022, 9359, 11460, 13370, 16044, 18718, 20055, 26740, 28077, 37436, 40110, 46795, 56154, 80220, 93590, 112308, 140385, 187180, 280770, 561540]

約数ペア:

[(1, 561540), (2, 280770), (3, 187180), (4, 140385), (5, 112308), (6, 93590), (7, 80220), (10, 56154), (12, 46795), (14, 40110), (15, 37436), (20, 28077), (21, 26740), (28, 20055), (30, 18718), (35, 16044), (42, 13370), (49, 11460), (60, 9359), (70, 8022), (84, 6685), (98, 5730), (105, 5348), (140, 4011), (147, 3820), (191, 2940), (196, 2865), (210, 2674), (245, 2292), (294, 1910), (382, 1470), (420, 1337), (490, 1146), (573, 980), (588, 955), (735, 764)]