720199260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:849

約数の個数: 216

約数和(自身を含む): 2460297840

約数和(自身を除く): 1740098580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 121, 129, 132, 165, 172, 180, 198, 215, 220, 242, 258, 330, 363, 387, 396, 430, 473, 484, 495, 516, 605, 645, 660, 726, 769, 774, 860, 946, 990, 1089, 1210, 1290, 1419, 1452, 1538, 1548, 1815, 1892, 1935, 1980, 2178, 2307, 2365, 2420, 2580, 2838, 3076, 3630, 3845, 3870, 4257, 4356, 4614, 4730, 5203, 5445, 5676, 6921, 7095, 7260, 7690, 7740, 8459, 8514, 9228, 9460, 10406, 10890, 11535, 13842, 14190, 15380, 15609, 16918, 17028, 20812, 21285, 21780, 23070, 25377, 26015, 27684, 28380, 31218, 33067, 33836, 34605, 42295, 42570, 46140, 46827, 50754, 52030, 62436, 66134, 69210, 76131, 78045, 84590, 85140, 93049, 93654, 99201, 101508, 104060, 126885, 132268, 138420, 152262, 156090, 165335, 169180, 186098, 187308, 198402, 234135, 253770, 279147, 297603, 304524, 312180, 330670, 363737, 372196, 380655, 396804, 465245, 468270, 496005, 507540, 558294, 595206, 661340, 727474, 761310, 837441, 930490, 936540, 992010, 1091211, 1116588, 1190412, 1395735, 1454948, 1488015, 1522620, 1674882, 1818685, 1860980, 1984020, 2182422, 2791470, 2976030, 3273633, 3349764, 3637370, 4001107, 4187205, 4364844, 5456055, 5582940, 5952060, 6547266, 7274740, 8002214, 8374410, 10912110, 12003321, 13094532, 16004428, 16368165, 16748820, 20005535, 21824220, 24006642, 32736330, 36009963, 40011070, 48013284, 60016605, 65472660, 72019926, 80022140, 120033210, 144039852, 180049815, 240066420, 360099630, 720199260]

約数ペア:

[(1, 720199260), (2, 360099630), (3, 240066420), (4, 180049815), (5, 144039852), (6, 120033210), (9, 80022140), (10, 72019926), (11, 65472660), (12, 60016605), (15, 48013284), (18, 40011070), (20, 36009963), (22, 32736330), (30, 24006642), (33, 21824220), (36, 20005535), (43, 16748820), (44, 16368165), (45, 16004428), (55, 13094532), (60, 12003321), (66, 10912110), (86, 8374410), (90, 8002214), (99, 7274740), (110, 6547266), (121, 5952060), (129, 5582940), (132, 5456055), (165, 4364844), (172, 4187205), (180, 4001107), (198, 3637370), (215, 3349764), (220, 3273633), (242, 2976030), (258, 2791470), (330, 2182422), (363, 1984020), (387, 1860980), (396, 1818685), (430, 1674882), (473, 1522620), (484, 1488015), (495, 1454948), (516, 1395735), (605, 1190412), (645, 1116588), (660, 1091211), (726, 992010), (769, 936540), (774, 930490), (860, 837441), (946, 761310), (990, 727474), (1089, 661340), (1210, 595206), (1290, 558294), (1419, 507540), (1452, 496005), (1538, 468270), (1548, 465245), (1815, 396804), (1892, 380655), (1935, 372196), (1980, 363737), (2178, 330670), (2307, 312180), (2365, 304524), (2420, 297603), (2580, 279147), (2838, 253770), (3076, 234135), (3630, 198402), (3845, 187308), (3870, 186098), (4257, 169180), (4356, 165335), (4614, 156090), (4730, 152262), (5203, 138420), (5445, 132268), (5676, 126885), (6921, 104060), (7095, 101508), (7260, 99201), (7690, 93654), (7740, 93049), (8459, 85140), (8514, 84590), (9228, 78045), (9460, 76131), (10406, 69210), (10890, 66134), (11535, 62436), (13842, 52030), (14190, 50754), (15380, 46827), (15609, 46140), (16918, 42570), (17028, 42295), (20812, 34605), (21285, 33836), (21780, 33067), (23070, 31218), (25377, 28380), (26015, 27684)]