81725120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 112

約数和(自身を含む): 209690208

約数和(自身を除く): 127965088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 83, 85, 136, 160, 166, 170, 181, 272, 320, 332, 340, 362, 415, 544, 664, 680, 724, 830, 905, 1088, 1328, 1360, 1411, 1448, 1660, 1810, 2656, 2720, 2822, 2896, 3077, 3320, 3620, 5312, 5440, 5644, 5792, 6154, 6640, 7055, 7240, 11288, 11584, 12308, 13280, 14110, 14480, 15023, 15385, 22576, 24616, 26560, 28220, 28960, 30046, 30770, 45152, 49232, 56440, 57920, 60092, 61540, 75115, 90304, 98464, 112880, 120184, 123080, 150230, 196928, 225760, 240368, 246160, 255391, 300460, 451520, 480736, 492320, 510782, 600920, 961472, 984640, 1021564, 1201840, 1276955, 2043128, 2403680, 2553910, 4086256, 4807360, 5107820, 8172512, 10215640, 16345024, 20431280, 40862560, 81725120]

約数ペア:

[(1, 81725120), (2, 40862560), (4, 20431280), (5, 16345024), (8, 10215640), (10, 8172512), (16, 5107820), (17, 4807360), (20, 4086256), (32, 2553910), (34, 2403680), (40, 2043128), (64, 1276955), (68, 1201840), (80, 1021564), (83, 984640), (85, 961472), (136, 600920), (160, 510782), (166, 492320), (170, 480736), (181, 451520), (272, 300460), (320, 255391), (332, 246160), (340, 240368), (362, 225760), (415, 196928), (544, 150230), (664, 123080), (680, 120184), (724, 112880), (830, 98464), (905, 90304), (1088, 75115), (1328, 61540), (1360, 60092), (1411, 57920), (1448, 56440), (1660, 49232), (1810, 45152), (2656, 30770), (2720, 30046), (2822, 28960), (2896, 28220), (3077, 26560), (3320, 24616), (3620, 22576), (5312, 15385), (5440, 15023), (5644, 14480), (5792, 14110), (6154, 13280), (6640, 12308), (7055, 11584), (7240, 11288)]