378180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 1257984

約数和(自身を除く): 879804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 191, 198, 220, 330, 382, 396, 495, 573, 660, 764, 955, 990, 1146, 1719, 1910, 1980, 2101, 2292, 2865, 3438, 3820, 4202, 5730, 6303, 6876, 8404, 8595, 10505, 11460, 12606, 17190, 18909, 21010, 25212, 31515, 34380, 37818, 42020, 63030, 75636, 94545, 126060, 189090, 378180]

約数ペア:

[(1, 378180), (2, 189090), (3, 126060), (4, 94545), (5, 75636), (6, 63030), (9, 42020), (10, 37818), (11, 34380), (12, 31515), (15, 25212), (18, 21010), (20, 18909), (22, 17190), (30, 12606), (33, 11460), (36, 10505), (44, 8595), (45, 8404), (55, 6876), (60, 6303), (66, 5730), (90, 4202), (99, 3820), (110, 3438), (132, 2865), (165, 2292), (180, 2101), (191, 1980), (198, 1910), (220, 1719), (330, 1146), (382, 990), (396, 955), (495, 764), (573, 660)]