27915440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 75233280

約数和(自身を除く): 47317840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 631, 632, 790, 1106, 1262, 1264, 1580, 2212, 2524, 2765, 3155, 3160, 4417, 4424, 5048, 5530, 6310, 6320, 8834, 8848, 10096, 11060, 12620, 17668, 22085, 22120, 25240, 35336, 44170, 44240, 49849, 50480, 70672, 88340, 99698, 176680, 199396, 249245, 348943, 353360, 398792, 498490, 697886, 797584, 996980, 1395772, 1744715, 1993960, 2791544, 3489430, 3987920, 5583088, 6978860, 13957720, 27915440]

約数ペア:

[(1, 27915440), (2, 13957720), (4, 6978860), (5, 5583088), (7, 3987920), (8, 3489430), (10, 2791544), (14, 1993960), (16, 1744715), (20, 1395772), (28, 996980), (35, 797584), (40, 697886), (56, 498490), (70, 398792), (79, 353360), (80, 348943), (112, 249245), (140, 199396), (158, 176680), (280, 99698), (316, 88340), (395, 70672), (553, 50480), (560, 49849), (631, 44240), (632, 44170), (790, 35336), (1106, 25240), (1262, 22120), (1264, 22085), (1580, 17668), (2212, 12620), (2524, 11060), (2765, 10096), (3155, 8848), (3160, 8834), (4417, 6320), (4424, 6310), (5048, 5530)]