7740090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 20908800

約数和(自身を除く): 13168710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 109, 135, 218, 263, 270, 327, 526, 545, 654, 789, 981, 1090, 1315, 1578, 1635, 1962, 2367, 2630, 2943, 3270, 3945, 4734, 4905, 5886, 7101, 7890, 9810, 11835, 14202, 14715, 23670, 28667, 29430, 35505, 57334, 71010, 86001, 143335, 172002, 258003, 286670, 430005, 516006, 774009, 860010, 1290015, 1548018, 2580030, 3870045, 7740090]

約数ペア:

[(1, 7740090), (2, 3870045), (3, 2580030), (5, 1548018), (6, 1290015), (9, 860010), (10, 774009), (15, 516006), (18, 430005), (27, 286670), (30, 258003), (45, 172002), (54, 143335), (90, 86001), (109, 71010), (135, 57334), (218, 35505), (263, 29430), (270, 28667), (327, 23670), (526, 14715), (545, 14202), (654, 11835), (789, 9810), (981, 7890), (1090, 7101), (1315, 5886), (1578, 4905), (1635, 4734), (1962, 3945), (2367, 3270), (2630, 2943)]