2147340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2753}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 6477408

約数和(自身を除く): 4330068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2753, 5506, 8259, 11012, 13765, 16518, 27530, 33036, 35789, 41295, 55060, 71578, 82590, 107367, 143156, 165180, 178945, 214734, 357890, 429468, 536835, 715780, 1073670, 2147340]

約数ペア:

[(1, 2147340), (2, 1073670), (3, 715780), (4, 536835), (5, 429468), (6, 357890), (10, 214734), (12, 178945), (13, 165180), (15, 143156), (20, 107367), (26, 82590), (30, 71578), (39, 55060), (52, 41295), (60, 35789), (65, 33036), (78, 27530), (130, 16518), (156, 13765), (195, 11012), (260, 8259), (390, 5506), (780, 2753)]