1679340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 5066208

約数和(自身を除く): 3386868

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, 2153, 4306, 6459, 8612, 10765, 12918, 21530, 25836, 27989, 32295, 43060, 55978, 64590, 83967, 111956, 129180, 139945, 167934, 279890, 335868, 419835, 559780, 839670, 1679340]

約数ペア:

[(1, 1679340), (2, 839670), (3, 559780), (4, 419835), (5, 335868), (6, 279890), (10, 167934), (12, 139945), (13, 129180), (15, 111956), (20, 83967), (26, 64590), (30, 55978), (39, 43060), (52, 32295), (60, 27989), (65, 25836), (78, 21530), (130, 12918), (156, 10765), (195, 8612), (260, 6459), (390, 4306), (780, 2153)]