720470170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{677}}^1$

素因数の和:1375

約数の個数: 64

約数和(自身を含む): 1551177216

約数和(自身を除く): 830707046

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 661, 677, 805, 1322, 1354, 1610, 3305, 3385, 4627, 4739, 6610, 6770, 9254, 9478, 15203, 15571, 23135, 23695, 30406, 31142, 46270, 47390, 76015, 77855, 106421, 108997, 152030, 155710, 212842, 217994, 447497, 532105, 544985, 894994, 1064210, 1089970, 2237485, 3132479, 4474970, 6264958, 10292431, 15662395, 20584862, 31324790, 51462155, 72047017, 102924310, 144094034, 360235085, 720470170]

約数ペア:

[(1, 720470170), (2, 360235085), (5, 144094034), (7, 102924310), (10, 72047017), (14, 51462155), (23, 31324790), (35, 20584862), (46, 15662395), (70, 10292431), (115, 6264958), (161, 4474970), (230, 3132479), (322, 2237485), (661, 1089970), (677, 1064210), (805, 894994), (1322, 544985), (1354, 532105), (1610, 447497), (3305, 217994), (3385, 212842), (4627, 155710), (4739, 152030), (6610, 108997), (6770, 106421), (9254, 77855), (9478, 76015), (15203, 47390), (15571, 46270), (23135, 31142), (23695, 30406)]