255779880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26981}}^1$

素因数の和:27074

約数の個数: 64

約数和(自身を含む): 777081600

約数和(自身を除く): 521301720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 26981, 53962, 80943, 107924, 134905, 161886, 215848, 269810, 323772, 404715, 539620, 647544, 809430, 1079240, 1618860, 2131499, 3237720, 4262998, 6394497, 8525996, 10657495, 12788994, 17051992, 21314990, 25577988, 31972485, 42629980, 51155976, 63944970, 85259960, 127889940, 255779880]

約数ペア:

[(1, 255779880), (2, 127889940), (3, 85259960), (4, 63944970), (5, 51155976), (6, 42629980), (8, 31972485), (10, 25577988), (12, 21314990), (15, 17051992), (20, 12788994), (24, 10657495), (30, 8525996), (40, 6394497), (60, 4262998), (79, 3237720), (120, 2131499), (158, 1618860), (237, 1079240), (316, 809430), (395, 647544), (474, 539620), (632, 404715), (790, 323772), (948, 269810), (1185, 215848), (1580, 161886), (1896, 134905), (2370, 107924), (3160, 80943), (4740, 53962), (9480, 26981)]