42178920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 146016000

約数和(自身を除く): 103837080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 280, 298, 337, 420, 447, 596, 674, 745, 840, 894, 1011, 1043, 1192, 1348, 1490, 1685, 1788, 2022, 2086, 2235, 2359, 2696, 2980, 3129, 3370, 3576, 4044, 4172, 4470, 4718, 5055, 5215, 5960, 6258, 6740, 7077, 8088, 8344, 8940, 9436, 10110, 10430, 11795, 12516, 13480, 14154, 15645, 17880, 18872, 20220, 20860, 23590, 25032, 28308, 31290, 35385, 40440, 41720, 47180, 50213, 56616, 62580, 70770, 94360, 100426, 125160, 141540, 150639, 200852, 251065, 283080, 301278, 351491, 401704, 502130, 602556, 702982, 753195, 1004260, 1054473, 1205112, 1405964, 1506390, 1757455, 2008520, 2108946, 2811928, 3012780, 3514910, 4217892, 5272365, 6025560, 7029820, 8435784, 10544730, 14059640, 21089460, 42178920]

約数ペア:

[(1, 42178920), (2, 21089460), (3, 14059640), (4, 10544730), (5, 8435784), (6, 7029820), (7, 6025560), (8, 5272365), (10, 4217892), (12, 3514910), (14, 3012780), (15, 2811928), (20, 2108946), (21, 2008520), (24, 1757455), (28, 1506390), (30, 1405964), (35, 1205112), (40, 1054473), (42, 1004260), (56, 753195), (60, 702982), (70, 602556), (84, 502130), (105, 401704), (120, 351491), (140, 301278), (149, 283080), (168, 251065), (210, 200852), (280, 150639), (298, 141540), (337, 125160), (420, 100426), (447, 94360), (596, 70770), (674, 62580), (745, 56616), (840, 50213), (894, 47180), (1011, 41720), (1043, 40440), (1192, 35385), (1348, 31290), (1490, 28308), (1685, 25032), (1788, 23590), (2022, 20860), (2086, 20220), (2235, 18872), (2359, 17880), (2696, 15645), (2980, 14154), (3129, 13480), (3370, 12516), (3576, 11795), (4044, 10430), (4172, 10110), (4470, 9436), (4718, 8940), (5055, 8344), (5215, 8088), (5960, 7077), (6258, 6740)]