19301280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 42388320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 509, 632, 790, 948, 1018, 1185, 1264, 1527, 1580, 1896, 2036, 2370, 2528, 2545, 3054, 3160, 3792, 4072, 4740, 5090, 6108, 6320, 7584, 7635, 8144, 9480, 10180, 12216, 12640, 15270, 16288, 18960, 20360, 24432, 30540, 37920, 40211, 40720, 48864, 61080, 80422, 81440, 120633, 122160, 160844, 201055, 241266, 244320, 321688, 402110, 482532, 603165, 643376, 804220, 965064, 1206330, 1286752, 1608440, 1930128, 2412660, 3216880, 3860256, 4825320, 6433760, 9650640, 19301280]

約数ペア:

[(1, 19301280), (2, 9650640), (3, 6433760), (4, 4825320), (5, 3860256), (6, 3216880), (8, 2412660), (10, 1930128), (12, 1608440), (15, 1286752), (16, 1206330), (20, 965064), (24, 804220), (30, 643376), (32, 603165), (40, 482532), (48, 402110), (60, 321688), (79, 244320), (80, 241266), (96, 201055), (120, 160844), (158, 122160), (160, 120633), (237, 81440), (240, 80422), (316, 61080), (395, 48864), (474, 40720), (480, 40211), (509, 37920), (632, 30540), (790, 24432), (948, 20360), (1018, 18960), (1185, 16288), (1264, 15270), (1527, 12640), (1580, 12216), (1896, 10180), (2036, 9480), (2370, 8144), (2528, 7635), (2545, 7584), (3054, 6320), (3160, 6108), (3792, 5090), (4072, 4740)]