129389720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8273}}^1$

素因数の和:8324

約数の個数: 64

約数和(自身を含む): 321693120

約数和(自身を除く): 192303400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 8273, 15640, 16546, 33092, 41365, 66184, 82730, 140641, 165460, 190279, 281282, 330920, 380558, 562564, 703205, 761116, 951395, 1125128, 1406410, 1522232, 1902790, 2812820, 3234743, 3805580, 5625640, 6469486, 7611160, 12938972, 16173715, 25877944, 32347430, 64694860, 129389720]

約数ペア:

[(1, 129389720), (2, 64694860), (4, 32347430), (5, 25877944), (8, 16173715), (10, 12938972), (17, 7611160), (20, 6469486), (23, 5625640), (34, 3805580), (40, 3234743), (46, 2812820), (68, 1902790), (85, 1522232), (92, 1406410), (115, 1125128), (136, 951395), (170, 761116), (184, 703205), (230, 562564), (340, 380558), (391, 330920), (460, 281282), (680, 190279), (782, 165460), (920, 140641), (1564, 82730), (1955, 66184), (3128, 41365), (3910, 33092), (7820, 16546), (8273, 15640)]