1900227520

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:630

約数の個数: 112

約数和(自身を含む): 4608758880

約数和(自身を除く): 2708531360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 157, 160, 218, 314, 320, 347, 436, 545, 628, 694, 785, 872, 1090, 1256, 1388, 1570, 1735, 1744, 2180, 2512, 2776, 3140, 3470, 3488, 4360, 5024, 5552, 6280, 6940, 6976, 8720, 10048, 11104, 12560, 13880, 17113, 17440, 22208, 25120, 27760, 34226, 34880, 37823, 50240, 54479, 55520, 68452, 75646, 85565, 108958, 111040, 136904, 151292, 171130, 189115, 217916, 272395, 273808, 302584, 342260, 378230, 435832, 544790, 547616, 605168, 684520, 756460, 871664, 1089580, 1095232, 1210336, 1369040, 1512920, 1743328, 2179160, 2420672, 2738080, 3025840, 3486656, 4358320, 5476160, 5938211, 6051680, 8716640, 11876422, 12103360, 17433280, 23752844, 29691055, 47505688, 59382110, 95011376, 118764220, 190022752, 237528440, 380045504, 475056880, 950113760, 1900227520]

約数ペア:

[(1, 1900227520), (2, 950113760), (4, 475056880), (5, 380045504), (8, 237528440), (10, 190022752), (16, 118764220), (20, 95011376), (32, 59382110), (40, 47505688), (64, 29691055), (80, 23752844), (109, 17433280), (157, 12103360), (160, 11876422), (218, 8716640), (314, 6051680), (320, 5938211), (347, 5476160), (436, 4358320), (545, 3486656), (628, 3025840), (694, 2738080), (785, 2420672), (872, 2179160), (1090, 1743328), (1256, 1512920), (1388, 1369040), (1570, 1210336), (1735, 1095232), (1744, 1089580), (2180, 871664), (2512, 756460), (2776, 684520), (3140, 605168), (3470, 547616), (3488, 544790), (4360, 435832), (5024, 378230), (5552, 342260), (6280, 302584), (6940, 273808), (6976, 272395), (8720, 217916), (10048, 189115), (11104, 171130), (12560, 151292), (13880, 136904), (17113, 111040), (17440, 108958), (22208, 85565), (25120, 75646), (27760, 68452), (34226, 55520), (34880, 54479), (37823, 50240)]