74964540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178487}}^1$

素因数の和:178506

約数の個数: 48

約数和(自身を含む): 239887872

約数和(自身を除く): 164923332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 178487, 356974, 535461, 713948, 892435, 1070922, 1249409, 1784870, 2141844, 2498818, 2677305, 3569740, 3748227, 4997636, 5354610, 6247045, 7496454, 10709220, 12494090, 14992908, 18741135, 24988180, 37482270, 74964540]

約数ペア:

[(1, 74964540), (2, 37482270), (3, 24988180), (4, 18741135), (5, 14992908), (6, 12494090), (7, 10709220), (10, 7496454), (12, 6247045), (14, 5354610), (15, 4997636), (20, 3748227), (21, 3569740), (28, 2677305), (30, 2498818), (35, 2141844), (42, 1784870), (60, 1249409), (70, 1070922), (84, 892435), (105, 713948), (140, 535461), (210, 356974), (420, 178487)]