81471744

素因数分解:

$2^8\times 3^4\times {\mathrm{3929}}^1$

素因数の和:3957

約数の個数: 90

約数和(自身を含む): 242995830

約数和(自身を除く): 161524086

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, 3929, 5184, 6912, 7858, 10368, 11787, 15716, 20736, 23574, 31432, 35361, 47148, 62864, 70722, 94296, 106083, 125728, 141444, 188592, 212166, 251456, 282888, 318249, 377184, 424332, 502912, 565776, 636498, 754368, 848664, 1005824, 1131552, 1272996, 1508736, 1697328, 2263104, 2545992, 3017472, 3394656, 4526208, 5091984, 6789312, 9052416, 10183968, 13578624, 20367936, 27157248, 40735872, 81471744]

約数ペア:

[(1, 81471744), (2, 40735872), (3, 27157248), (4, 20367936), (6, 13578624), (8, 10183968), (9, 9052416), (12, 6789312), (16, 5091984), (18, 4526208), (24, 3394656), (27, 3017472), (32, 2545992), (36, 2263104), (48, 1697328), (54, 1508736), (64, 1272996), (72, 1131552), (81, 1005824), (96, 848664), (108, 754368), (128, 636498), (144, 565776), (162, 502912), (192, 424332), (216, 377184), (256, 318249), (288, 282888), (324, 251456), (384, 212166), (432, 188592), (576, 141444), (648, 125728), (768, 106083), (864, 94296), (1152, 70722), (1296, 62864), (1728, 47148), (2304, 35361), (2592, 31432), (3456, 23574), (3929, 20736), (5184, 15716), (6912, 11787), (7858, 10368)]