71104040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 194987520

約数和(自身を除く): 123883480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 92, 115, 122, 140, 161, 181, 184, 230, 244, 280, 305, 322, 362, 427, 460, 488, 610, 644, 724, 805, 854, 905, 920, 1220, 1267, 1288, 1403, 1448, 1610, 1708, 1810, 2135, 2440, 2534, 2806, 3220, 3416, 3620, 4163, 4270, 5068, 5612, 6335, 6440, 7015, 7240, 8326, 8540, 9821, 10136, 11041, 11224, 12670, 14030, 16652, 17080, 19642, 20815, 22082, 25340, 28060, 29141, 33304, 39284, 41630, 44164, 49105, 50680, 55205, 56120, 58282, 77287, 78568, 83260, 88328, 98210, 110410, 116564, 145705, 154574, 166520, 196420, 220820, 233128, 253943, 291410, 309148, 386435, 392840, 441640, 507886, 582820, 618296, 772870, 1015772, 1165640, 1269715, 1545740, 1777601, 2031544, 2539430, 3091480, 3555202, 5078860, 7110404, 8888005, 10157720, 14220808, 17776010, 35552020, 71104040]

約数ペア:

[(1, 71104040), (2, 35552020), (4, 17776010), (5, 14220808), (7, 10157720), (8, 8888005), (10, 7110404), (14, 5078860), (20, 3555202), (23, 3091480), (28, 2539430), (35, 2031544), (40, 1777601), (46, 1545740), (56, 1269715), (61, 1165640), (70, 1015772), (92, 772870), (115, 618296), (122, 582820), (140, 507886), (161, 441640), (181, 392840), (184, 386435), (230, 309148), (244, 291410), (280, 253943), (305, 233128), (322, 220820), (362, 196420), (427, 166520), (460, 154574), (488, 145705), (610, 116564), (644, 110410), (724, 98210), (805, 88328), (854, 83260), (905, 78568), (920, 77287), (1220, 58282), (1267, 56120), (1288, 55205), (1403, 50680), (1448, 49105), (1610, 44164), (1708, 41630), (1810, 39284), (2135, 33304), (2440, 29141), (2534, 28060), (2806, 25340), (3220, 22082), (3416, 20815), (3620, 19642), (4163, 17080), (4270, 16652), (5068, 14030), (5612, 12670), (6335, 11224), (6440, 11041), (7015, 10136), (7240, 9821), (8326, 8540)]