179972010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 508930560

約数和(自身を除く): 328958550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 73, 90, 115, 135, 138, 146, 207, 219, 230, 270, 345, 365, 397, 414, 438, 621, 657, 690, 730, 794, 1035, 1095, 1191, 1242, 1314, 1679, 1971, 1985, 2070, 2190, 2382, 3105, 3285, 3358, 3573, 3942, 3970, 5037, 5955, 6210, 6570, 7146, 8395, 9131, 9855, 10074, 10719, 11910, 15111, 16790, 17865, 18262, 19710, 21438, 25185, 27393, 28981, 30222, 35730, 45333, 45655, 50370, 53595, 54786, 57962, 75555, 82179, 86943, 90666, 91310, 107190, 136965, 144905, 151110, 164358, 173886, 226665, 246537, 260829, 273930, 289810, 410895, 434715, 453330, 493074, 521658, 666563, 782487, 821790, 869430, 1232685, 1304145, 1333126, 1564974, 1999689, 2465370, 2608290, 3332815, 3912435, 3999378, 5999067, 6665630, 7824870, 9998445, 11998134, 17997201, 19996890, 29995335, 35994402, 59990670, 89986005, 179972010]

約数ペア:

[(1, 179972010), (2, 89986005), (3, 59990670), (5, 35994402), (6, 29995335), (9, 19996890), (10, 17997201), (15, 11998134), (18, 9998445), (23, 7824870), (27, 6665630), (30, 5999067), (45, 3999378), (46, 3912435), (54, 3332815), (69, 2608290), (73, 2465370), (90, 1999689), (115, 1564974), (135, 1333126), (138, 1304145), (146, 1232685), (207, 869430), (219, 821790), (230, 782487), (270, 666563), (345, 521658), (365, 493074), (397, 453330), (414, 434715), (438, 410895), (621, 289810), (657, 273930), (690, 260829), (730, 246537), (794, 226665), (1035, 173886), (1095, 164358), (1191, 151110), (1242, 144905), (1314, 136965), (1679, 107190), (1971, 91310), (1985, 90666), (2070, 86943), (2190, 82179), (2382, 75555), (3105, 57962), (3285, 54786), (3358, 53595), (3573, 50370), (3942, 45655), (3970, 45333), (5037, 35730), (5955, 30222), (6210, 28981), (6570, 27393), (7146, 25185), (8395, 21438), (9131, 19710), (9855, 18262), (10074, 17865), (10719, 16790), (11910, 15111)]