81015552

素因数分解:

$2^8\times 3^4\times {\mathrm{3907}}^1$

素因数の和:3935

約数の個数: 90

約数和(自身を含む): 241635548

約数和(自身を除く): 160619996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1152, 1296, 1728, 2304, 2592, 3456, 3907, 5184, 6912, 7814, 10368, 11721, 15628, 20736, 23442, 31256, 35163, 46884, 62512, 70326, 93768, 105489, 125024, 140652, 187536, 210978, 250048, 281304, 316467, 375072, 421956, 500096, 562608, 632934, 750144, 843912, 1000192, 1125216, 1265868, 1500288, 1687824, 2250432, 2531736, 3000576, 3375648, 4500864, 5063472, 6751296, 9001728, 10126944, 13502592, 20253888, 27005184, 40507776, 81015552]

約数ペア:

[(1, 81015552), (2, 40507776), (3, 27005184), (4, 20253888), (6, 13502592), (8, 10126944), (9, 9001728), (12, 6751296), (16, 5063472), (18, 4500864), (24, 3375648), (27, 3000576), (32, 2531736), (36, 2250432), (48, 1687824), (54, 1500288), (64, 1265868), (72, 1125216), (81, 1000192), (96, 843912), (108, 750144), (128, 632934), (144, 562608), (162, 500096), (192, 421956), (216, 375072), (256, 316467), (288, 281304), (324, 250048), (384, 210978), (432, 187536), (576, 140652), (648, 125024), (768, 105489), (864, 93768), (1152, 70326), (1296, 62512), (1728, 46884), (2304, 35163), (2592, 31256), (3456, 23442), (3907, 20736), (5184, 15628), (6912, 11721), (7814, 10368)]