81678390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{44633}}^1$

素因数の和:44704

約数の個数: 32

約数和(自身を含む): 199246176

約数和(自身を除く): 117567786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 44633, 89266, 133899, 223165, 267798, 446330, 669495, 1338990, 2722613, 5445226, 8167839, 13613065, 16335678, 27226130, 40839195, 81678390]

約数ペア:

[(1, 81678390), (2, 40839195), (3, 27226130), (5, 16335678), (6, 13613065), (10, 8167839), (15, 5445226), (30, 2722613), (61, 1338990), (122, 669495), (183, 446330), (305, 267798), (366, 223165), (610, 133899), (915, 89266), (1830, 44633)]