84405420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:980

約数の個数: 144

約数和(自身を含む): 285562368

約数和(自身を除く): 201156948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 47, 55, 60, 66, 90, 94, 99, 110, 132, 141, 165, 180, 188, 198, 220, 235, 282, 330, 396, 423, 470, 495, 517, 564, 660, 705, 846, 907, 940, 990, 1034, 1410, 1551, 1692, 1814, 1980, 2068, 2115, 2585, 2721, 2820, 3102, 3628, 4230, 4535, 4653, 5170, 5442, 6204, 7755, 8163, 8460, 9070, 9306, 9977, 10340, 10884, 13605, 15510, 16326, 18140, 18612, 19954, 23265, 27210, 29931, 31020, 32652, 39908, 40815, 42629, 46530, 49885, 54420, 59862, 81630, 85258, 89793, 93060, 99770, 119724, 127887, 149655, 163260, 170516, 179586, 199540, 213145, 255774, 299310, 359172, 383661, 426290, 448965, 468919, 511548, 598620, 639435, 767322, 852580, 897930, 937838, 1278870, 1406757, 1534644, 1795860, 1875676, 1918305, 2344595, 2557740, 2813514, 3836610, 4220271, 4689190, 5627028, 7033785, 7673220, 8440542, 9378380, 14067570, 16881084, 21101355, 28135140, 42202710, 84405420]

約数ペア:

[(1, 84405420), (2, 42202710), (3, 28135140), (4, 21101355), (5, 16881084), (6, 14067570), (9, 9378380), (10, 8440542), (11, 7673220), (12, 7033785), (15, 5627028), (18, 4689190), (20, 4220271), (22, 3836610), (30, 2813514), (33, 2557740), (36, 2344595), (44, 1918305), (45, 1875676), (47, 1795860), (55, 1534644), (60, 1406757), (66, 1278870), (90, 937838), (94, 897930), (99, 852580), (110, 767322), (132, 639435), (141, 598620), (165, 511548), (180, 468919), (188, 448965), (198, 426290), (220, 383661), (235, 359172), (282, 299310), (330, 255774), (396, 213145), (423, 199540), (470, 179586), (495, 170516), (517, 163260), (564, 149655), (660, 127887), (705, 119724), (846, 99770), (907, 93060), (940, 89793), (990, 85258), (1034, 81630), (1410, 59862), (1551, 54420), (1692, 49885), (1814, 46530), (1980, 42629), (2068, 40815), (2115, 39908), (2585, 32652), (2721, 31020), (2820, 29931), (3102, 27210), (3628, 23265), (4230, 19954), (4535, 18612), (4653, 18140), (5170, 16326), (5442, 15510), (6204, 13605), (7755, 10884), (8163, 10340), (8460, 9977), (9070, 9306)]