85121820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{3217}}^1$

素因数の和:3249

約数の個数: 144

約数和(自身を含む): 308155680

約数和(自身を除く): 223033860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3217, 3780, 4410, 5292, 6434, 6615, 8820, 9651, 12868, 13230, 16085, 19302, 22519, 26460, 28953, 32170, 38604, 45038, 48255, 57906, 64340, 67557, 86859, 90076, 96510, 112595, 115812, 135114, 144765, 157633, 173718, 193020, 202671, 225190, 270228, 289530, 315266, 337785, 347436, 405342, 434295, 450380, 472899, 579060, 608013, 630532, 675570, 788165, 810684, 868590, 945798, 1013355, 1216026, 1351140, 1418697, 1576330, 1737180, 1891596, 2026710, 2364495, 2432052, 2837394, 3040065, 3152660, 4053420, 4256091, 4728990, 5674788, 6080130, 7093485, 8512182, 9457980, 12160260, 14186970, 17024364, 21280455, 28373940, 42560910, 85121820]

約数ペア:

[(1, 85121820), (2, 42560910), (3, 28373940), (4, 21280455), (5, 17024364), (6, 14186970), (7, 12160260), (9, 9457980), (10, 8512182), (12, 7093485), (14, 6080130), (15, 5674788), (18, 4728990), (20, 4256091), (21, 4053420), (27, 3152660), (28, 3040065), (30, 2837394), (35, 2432052), (36, 2364495), (42, 2026710), (45, 1891596), (49, 1737180), (54, 1576330), (60, 1418697), (63, 1351140), (70, 1216026), (84, 1013355), (90, 945798), (98, 868590), (105, 810684), (108, 788165), (126, 675570), (135, 630532), (140, 608013), (147, 579060), (180, 472899), (189, 450380), (196, 434295), (210, 405342), (245, 347436), (252, 337785), (270, 315266), (294, 289530), (315, 270228), (378, 225190), (420, 202671), (441, 193020), (490, 173718), (540, 157633), (588, 144765), (630, 135114), (735, 115812), (756, 112595), (882, 96510), (945, 90076), (980, 86859), (1260, 67557), (1323, 64340), (1470, 57906), (1764, 48255), (1890, 45038), (2205, 38604), (2646, 32170), (2940, 28953), (3217, 26460), (3780, 22519), (4410, 19302), (5292, 16085), (6434, 13230), (6615, 12868), (8820, 9651)]