42189420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7727}}^1$

素因数の和:7759

約数の個数: 96

約数和(自身を含む): 145410048

約数和(自身を除く): 103220628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 7727, 15454, 23181, 30908, 38635, 46362, 54089, 77270, 92724, 100451, 108178, 115905, 154540, 162267, 200902, 216356, 231810, 270445, 301353, 324534, 401804, 463620, 502255, 540890, 602706, 649068, 703157, 811335, 1004510, 1081780, 1205412, 1406314, 1506765, 1622670, 2009020, 2109471, 2812628, 3013530, 3245340, 3515785, 4218942, 6027060, 7031570, 8437884, 10547355, 14063140, 21094710, 42189420]

約数ペア:

[(1, 42189420), (2, 21094710), (3, 14063140), (4, 10547355), (5, 8437884), (6, 7031570), (7, 6027060), (10, 4218942), (12, 3515785), (13, 3245340), (14, 3013530), (15, 2812628), (20, 2109471), (21, 2009020), (26, 1622670), (28, 1506765), (30, 1406314), (35, 1205412), (39, 1081780), (42, 1004510), (52, 811335), (60, 703157), (65, 649068), (70, 602706), (78, 540890), (84, 502255), (91, 463620), (105, 401804), (130, 324534), (140, 301353), (156, 270445), (182, 231810), (195, 216356), (210, 200902), (260, 162267), (273, 154540), (364, 115905), (390, 108178), (420, 100451), (455, 92724), (546, 77270), (780, 54089), (910, 46362), (1092, 38635), (1365, 30908), (1820, 23181), (2730, 15454), (5460, 7727)]