84816640

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 220163328

約数和(自身を除く): 135346688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 67, 80, 86, 92, 115, 128, 134, 160, 172, 184, 215, 230, 256, 268, 320, 335, 344, 368, 430, 460, 536, 640, 670, 688, 736, 860, 920, 989, 1072, 1280, 1340, 1376, 1472, 1541, 1720, 1840, 1978, 2144, 2680, 2752, 2881, 2944, 3082, 3440, 3680, 3956, 4288, 4945, 5360, 5504, 5762, 5888, 6164, 6880, 7360, 7705, 7912, 8576, 9890, 10720, 11008, 11524, 12328, 13760, 14405, 14720, 15410, 15824, 17152, 19780, 21440, 23048, 24656, 27520, 28810, 29440, 30820, 31648, 39560, 42880, 46096, 49312, 55040, 57620, 61640, 63296, 66263, 79120, 85760, 92192, 98624, 115240, 123280, 126592, 132526, 158240, 184384, 197248, 230480, 246560, 253184, 265052, 316480, 331315, 368768, 394496, 460960, 493120, 530104, 632960, 662630, 737536, 921920, 986240, 1060208, 1265920, 1325260, 1843840, 1972480, 2120416, 2650520, 3687680, 4240832, 5301040, 8481664, 10602080, 16963328, 21204160, 42408320, 84816640]

約数ペア:

[(1, 84816640), (2, 42408320), (4, 21204160), (5, 16963328), (8, 10602080), (10, 8481664), (16, 5301040), (20, 4240832), (23, 3687680), (32, 2650520), (40, 2120416), (43, 1972480), (46, 1843840), (64, 1325260), (67, 1265920), (80, 1060208), (86, 986240), (92, 921920), (115, 737536), (128, 662630), (134, 632960), (160, 530104), (172, 493120), (184, 460960), (215, 394496), (230, 368768), (256, 331315), (268, 316480), (320, 265052), (335, 253184), (344, 246560), (368, 230480), (430, 197248), (460, 184384), (536, 158240), (640, 132526), (670, 126592), (688, 123280), (736, 115240), (860, 98624), (920, 92192), (989, 85760), (1072, 79120), (1280, 66263), (1340, 63296), (1376, 61640), (1472, 57620), (1541, 55040), (1720, 49312), (1840, 46096), (1978, 42880), (2144, 39560), (2680, 31648), (2752, 30820), (2881, 29440), (2944, 28810), (3082, 27520), (3440, 24656), (3680, 23048), (3956, 21440), (4288, 19780), (4945, 17152), (5360, 15824), (5504, 15410), (5762, 14720), (5888, 14405), (6164, 13760), (6880, 12328), (7360, 11524), (7705, 11008), (7912, 10720), (8576, 9890)]