71998860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^2$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 205477776

約数和(自身を除く): 133478916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 109, 202, 218, 303, 327, 404, 436, 505, 545, 606, 654, 1010, 1090, 1212, 1308, 1515, 1635, 2020, 2180, 3030, 3270, 6060, 6540, 11009, 11881, 22018, 23762, 33027, 35643, 44036, 47524, 55045, 59405, 66054, 71286, 110090, 118810, 132108, 142572, 165135, 178215, 220180, 237620, 330270, 356430, 660540, 712860, 1199981, 2399962, 3599943, 4799924, 5999905, 7199886, 11999810, 14399772, 17999715, 23999620, 35999430, 71998860]

約数ペア:

[(1, 71998860), (2, 35999430), (3, 23999620), (4, 17999715), (5, 14399772), (6, 11999810), (10, 7199886), (12, 5999905), (15, 4799924), (20, 3599943), (30, 2399962), (60, 1199981), (101, 712860), (109, 660540), (202, 356430), (218, 330270), (303, 237620), (327, 220180), (404, 178215), (436, 165135), (505, 142572), (545, 132108), (606, 118810), (654, 110090), (1010, 71286), (1090, 66054), (1212, 59405), (1308, 55045), (1515, 47524), (1635, 44036), (2020, 35643), (2180, 33027), (3030, 23762), (3270, 22018), (6060, 11881), (6540, 11009)]