72163780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{641}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 163833264

約数和(自身を除く): 91669484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 433, 641, 866, 1282, 1732, 2165, 2564, 3205, 4330, 5629, 6410, 8333, 8660, 11258, 12820, 16666, 22516, 28145, 33332, 41665, 56290, 83330, 112580, 166660, 277553, 555106, 1110212, 1387765, 2775530, 3608189, 5551060, 7216378, 14432756, 18040945, 36081890, 72163780]

約数ペア:

[(1, 72163780), (2, 36081890), (4, 18040945), (5, 14432756), (10, 7216378), (13, 5551060), (20, 3608189), (26, 2775530), (52, 1387765), (65, 1110212), (130, 555106), (260, 277553), (433, 166660), (641, 112580), (866, 83330), (1282, 56290), (1732, 41665), (2165, 33332), (2564, 28145), (3205, 22516), (4330, 16666), (5629, 12820), (6410, 11258), (8333, 8660)]