81629200

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 210343680

約数和(自身を除く): 128714480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 40, 50, 58, 62, 80, 100, 116, 124, 145, 155, 200, 227, 232, 248, 290, 310, 400, 454, 464, 496, 580, 620, 725, 775, 899, 908, 1135, 1160, 1240, 1450, 1550, 1798, 1816, 2270, 2320, 2480, 2900, 3100, 3596, 3632, 4495, 4540, 5675, 5800, 6200, 6583, 7037, 7192, 8990, 9080, 11350, 11600, 12400, 13166, 14074, 14384, 17980, 18160, 22475, 22700, 26332, 28148, 32915, 35185, 35960, 44950, 45400, 52664, 56296, 65830, 70370, 71920, 89900, 90800, 105328, 112592, 131660, 140740, 164575, 175925, 179800, 204073, 263320, 281480, 329150, 351850, 359600, 408146, 526640, 562960, 658300, 703700, 816292, 1020365, 1316600, 1407400, 1632584, 2040730, 2633200, 2814800, 3265168, 4081460, 5101825, 8162920, 10203650, 16325840, 20407300, 40814600, 81629200]

約数ペア:

[(1, 81629200), (2, 40814600), (4, 20407300), (5, 16325840), (8, 10203650), (10, 8162920), (16, 5101825), (20, 4081460), (25, 3265168), (29, 2814800), (31, 2633200), (40, 2040730), (50, 1632584), (58, 1407400), (62, 1316600), (80, 1020365), (100, 816292), (116, 703700), (124, 658300), (145, 562960), (155, 526640), (200, 408146), (227, 359600), (232, 351850), (248, 329150), (290, 281480), (310, 263320), (400, 204073), (454, 179800), (464, 175925), (496, 164575), (580, 140740), (620, 131660), (725, 112592), (775, 105328), (899, 90800), (908, 89900), (1135, 71920), (1160, 70370), (1240, 65830), (1450, 56296), (1550, 52664), (1798, 45400), (1816, 44950), (2270, 35960), (2320, 35185), (2480, 32915), (2900, 28148), (3100, 26332), (3596, 22700), (3632, 22475), (4495, 18160), (4540, 17980), (5675, 14384), (5800, 14074), (6200, 13166), (6583, 12400), (7037, 11600), (7192, 11350), (8990, 9080)]