641446740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2473}}^1$

素因数の和:2630

約数の個数: 144

約数和(自身を含む): 2139673536

約数和(自身を除く): 1498226796

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, 131, 132, 165, 180, 198, 220, 262, 330, 393, 396, 495, 524, 655, 660, 786, 990, 1179, 1310, 1441, 1572, 1965, 1980, 2358, 2473, 2620, 2882, 3930, 4323, 4716, 4946, 5764, 5895, 7205, 7419, 7860, 8646, 9892, 11790, 12365, 12969, 14410, 14838, 17292, 21615, 22257, 23580, 24730, 25938, 27203, 28820, 29676, 37095, 43230, 44514, 49460, 51876, 54406, 64845, 74190, 81609, 86460, 89028, 108812, 111285, 129690, 136015, 148380, 163218, 222570, 244827, 259380, 272030, 323963, 326436, 408045, 445140, 489654, 544060, 647926, 816090, 971889, 979308, 1224135, 1295852, 1619815, 1632180, 1943778, 2448270, 2915667, 3239630, 3563593, 3887556, 4859445, 4896540, 5831334, 6479260, 7127186, 9718890, 10690779, 11662668, 14254372, 14578335, 17817965, 19437780, 21381558, 29156670, 32072337, 35635930, 42763116, 53453895, 58313340, 64144674, 71271860, 106907790, 128289348, 160361685, 213815580, 320723370, 641446740]

約数ペア:

[(1, 641446740), (2, 320723370), (3, 213815580), (4, 160361685), (5, 128289348), (6, 106907790), (9, 71271860), (10, 64144674), (11, 58313340), (12, 53453895), (15, 42763116), (18, 35635930), (20, 32072337), (22, 29156670), (30, 21381558), (33, 19437780), (36, 17817965), (44, 14578335), (45, 14254372), (55, 11662668), (60, 10690779), (66, 9718890), (90, 7127186), (99, 6479260), (110, 5831334), (131, 4896540), (132, 4859445), (165, 3887556), (180, 3563593), (198, 3239630), (220, 2915667), (262, 2448270), (330, 1943778), (393, 1632180), (396, 1619815), (495, 1295852), (524, 1224135), (655, 979308), (660, 971889), (786, 816090), (990, 647926), (1179, 544060), (1310, 489654), (1441, 445140), (1572, 408045), (1965, 326436), (1980, 323963), (2358, 272030), (2473, 259380), (2620, 244827), (2882, 222570), (3930, 163218), (4323, 148380), (4716, 136015), (4946, 129690), (5764, 111285), (5895, 108812), (7205, 89028), (7419, 86460), (7860, 81609), (8646, 74190), (9892, 64845), (11790, 54406), (12365, 51876), (12969, 49460), (14410, 44514), (14838, 43230), (17292, 37095), (21615, 29676), (22257, 28820), (23580, 27203), (24730, 25938)]