161567293420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{89657}}^1$

素因数の和:89947

約数の個数: 96

約数和(自身を含む): 379576108800

約数和(自身を除く): 218008815380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 239, 260, 290, 377, 478, 580, 754, 956, 1195, 1508, 1885, 2390, 3107, 3770, 4780, 6214, 6931, 7540, 12428, 13862, 15535, 27724, 31070, 34655, 62140, 69310, 89657, 90103, 138620, 179314, 180206, 358628, 360412, 448285, 450515, 896570, 901030, 1165541, 1793140, 1802060, 2331082, 2600053, 4662164, 5200106, 5827705, 10400212, 11655410, 13000265, 21428023, 23310820, 26000530, 33800689, 42856046, 52001060, 67601378, 85712092, 107140115, 135202756, 169003445, 214280230, 278564299, 338006890, 428560460, 557128598, 621412667, 676013780, 1114257196, 1242825334, 1392821495, 2485650668, 2785642990, 3107063335, 5571285980, 6214126670, 8078364671, 12428253340, 16156729342, 32313458684, 40391823355, 80783646710, 161567293420]

約数ペア:

[(1, 161567293420), (2, 80783646710), (4, 40391823355), (5, 32313458684), (10, 16156729342), (13, 12428253340), (20, 8078364671), (26, 6214126670), (29, 5571285980), (52, 3107063335), (58, 2785642990), (65, 2485650668), (116, 1392821495), (130, 1242825334), (145, 1114257196), (239, 676013780), (260, 621412667), (290, 557128598), (377, 428560460), (478, 338006890), (580, 278564299), (754, 214280230), (956, 169003445), (1195, 135202756), (1508, 107140115), (1885, 85712092), (2390, 67601378), (3107, 52001060), (3770, 42856046), (4780, 33800689), (6214, 26000530), (6931, 23310820), (7540, 21428023), (12428, 13000265), (13862, 11655410), (15535, 10400212), (27724, 5827705), (31070, 5200106), (34655, 4662164), (62140, 2600053), (69310, 2331082), (89657, 1802060), (90103, 1793140), (138620, 1165541), (179314, 901030), (180206, 896570), (358628, 450515), (360412, 448285)]