81965952

素因数分解:

$2^7\times 3^3\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:701

約数の個数: 128

約数和(自身を含む): 248839200

約数和(自身を除く): 166873248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 128, 144, 148, 192, 216, 222, 288, 296, 333, 384, 432, 444, 576, 592, 641, 666, 864, 888, 999, 1152, 1184, 1282, 1332, 1728, 1776, 1923, 1998, 2368, 2564, 2664, 3456, 3552, 3846, 3996, 4736, 5128, 5328, 5769, 7104, 7692, 7992, 10256, 10656, 11538, 14208, 15384, 15984, 17307, 20512, 21312, 23076, 23717, 30768, 31968, 34614, 41024, 42624, 46152, 47434, 61536, 63936, 69228, 71151, 82048, 92304, 94868, 123072, 127872, 138456, 142302, 184608, 189736, 213453, 246144, 276912, 284604, 369216, 379472, 426906, 553824, 569208, 640359, 738432, 758944, 853812, 1107648, 1138416, 1280718, 1517888, 1707624, 2215296, 2276832, 2561436, 3035776, 3415248, 4553664, 5122872, 6830496, 9107328, 10245744, 13660992, 20491488, 27321984, 40982976, 81965952]

約数ペア:

[(1, 81965952), (2, 40982976), (3, 27321984), (4, 20491488), (6, 13660992), (8, 10245744), (9, 9107328), (12, 6830496), (16, 5122872), (18, 4553664), (24, 3415248), (27, 3035776), (32, 2561436), (36, 2276832), (37, 2215296), (48, 1707624), (54, 1517888), (64, 1280718), (72, 1138416), (74, 1107648), (96, 853812), (108, 758944), (111, 738432), (128, 640359), (144, 569208), (148, 553824), (192, 426906), (216, 379472), (222, 369216), (288, 284604), (296, 276912), (333, 246144), (384, 213453), (432, 189736), (444, 184608), (576, 142302), (592, 138456), (641, 127872), (666, 123072), (864, 94868), (888, 92304), (999, 82048), (1152, 71151), (1184, 69228), (1282, 63936), (1332, 61536), (1728, 47434), (1776, 46152), (1923, 42624), (1998, 41024), (2368, 34614), (2564, 31968), (2664, 30768), (3456, 23717), (3552, 23076), (3846, 21312), (3996, 20512), (4736, 17307), (5128, 15984), (5328, 15384), (5769, 14208), (7104, 11538), (7692, 10656), (7992, 10256)]