19744320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 112

約数和(自身を含む): 63569088

約数和(自身を除く): 43824768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 131, 157, 160, 192, 240, 262, 314, 320, 393, 471, 480, 524, 628, 655, 785, 786, 942, 960, 1048, 1256, 1310, 1570, 1572, 1884, 1965, 2096, 2355, 2512, 2620, 3140, 3144, 3768, 3930, 4192, 4710, 5024, 5240, 6280, 6288, 7536, 7860, 8384, 9420, 10048, 10480, 12560, 12576, 15072, 15720, 18840, 20567, 20960, 25120, 25152, 30144, 31440, 37680, 41134, 41920, 50240, 61701, 62880, 75360, 82268, 102835, 123402, 125760, 150720, 164536, 205670, 246804, 308505, 329072, 411340, 493608, 617010, 658144, 822680, 987216, 1234020, 1316288, 1645360, 1974432, 2468040, 3290720, 3948864, 4936080, 6581440, 9872160, 19744320]

約数ペア:

[(1, 19744320), (2, 9872160), (3, 6581440), (4, 4936080), (5, 3948864), (6, 3290720), (8, 2468040), (10, 1974432), (12, 1645360), (15, 1316288), (16, 1234020), (20, 987216), (24, 822680), (30, 658144), (32, 617010), (40, 493608), (48, 411340), (60, 329072), (64, 308505), (80, 246804), (96, 205670), (120, 164536), (131, 150720), (157, 125760), (160, 123402), (192, 102835), (240, 82268), (262, 75360), (314, 62880), (320, 61701), (393, 50240), (471, 41920), (480, 41134), (524, 37680), (628, 31440), (655, 30144), (785, 25152), (786, 25120), (942, 20960), (960, 20567), (1048, 18840), (1256, 15720), (1310, 15072), (1570, 12576), (1572, 12560), (1884, 10480), (1965, 10048), (2096, 9420), (2355, 8384), (2512, 7860), (2620, 7536), (3140, 6288), (3144, 6280), (3768, 5240), (3930, 5024), (4192, 4710)]