127989420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164089}}^1$

素因数の和:164114

約数の個数: 48

約数和(自身を含む): 385939680

約数和(自身を除く): 257950260

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, 164089, 328178, 492267, 656356, 820445, 984534, 1640890, 1969068, 2133157, 2461335, 3281780, 4266314, 4922670, 6399471, 8532628, 9845340, 10665785, 12798942, 21331570, 25597884, 31997355, 42663140, 63994710, 127989420]

約数ペア:

[(1, 127989420), (2, 63994710), (3, 42663140), (4, 31997355), (5, 25597884), (6, 21331570), (10, 12798942), (12, 10665785), (13, 9845340), (15, 8532628), (20, 6399471), (26, 4922670), (30, 4266314), (39, 3281780), (52, 2461335), (60, 2133157), (65, 1969068), (78, 1640890), (130, 984534), (156, 820445), (195, 656356), (260, 492267), (390, 328178), (780, 164089)]