2691390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 7128576

約数和(自身を除く): 4437186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 103, 130, 134, 195, 201, 206, 309, 335, 390, 402, 515, 618, 670, 871, 1005, 1030, 1339, 1545, 1742, 2010, 2613, 2678, 3090, 4017, 4355, 5226, 6695, 6901, 8034, 8710, 13065, 13390, 13802, 20085, 20703, 26130, 34505, 40170, 41406, 69010, 89713, 103515, 179426, 207030, 269139, 448565, 538278, 897130, 1345695, 2691390]

約数ペア:

[(1, 2691390), (2, 1345695), (3, 897130), (5, 538278), (6, 448565), (10, 269139), (13, 207030), (15, 179426), (26, 103515), (30, 89713), (39, 69010), (65, 41406), (67, 40170), (78, 34505), (103, 26130), (130, 20703), (134, 20085), (195, 13802), (201, 13390), (206, 13065), (309, 8710), (335, 8034), (390, 6901), (402, 6695), (515, 5226), (618, 4355), (670, 4017), (871, 3090), (1005, 2678), (1030, 2613), (1339, 2010), (1545, 1742)]