281304240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{167443}}^1$

素因数の和:167466

約数の個数: 80

約数和(自身を含む): 996626688

約数和(自身を除く): 715322448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 167443, 334886, 502329, 669772, 837215, 1004658, 1172101, 1339544, 1674430, 2009316, 2344202, 2511645, 2679088, 3348860, 3516303, 4018632, 4688404, 5023290, 5860505, 6697720, 7032606, 8037264, 9376808, 10046580, 11721010, 13395440, 14065212, 17581515, 18753616, 20093160, 23442020, 28130424, 35163030, 40186320, 46884040, 56260848, 70326060, 93768080, 140652120, 281304240]

約数ペア:

[(1, 281304240), (2, 140652120), (3, 93768080), (4, 70326060), (5, 56260848), (6, 46884040), (7, 40186320), (8, 35163030), (10, 28130424), (12, 23442020), (14, 20093160), (15, 18753616), (16, 17581515), (20, 14065212), (21, 13395440), (24, 11721010), (28, 10046580), (30, 9376808), (35, 8037264), (40, 7032606), (42, 6697720), (48, 5860505), (56, 5023290), (60, 4688404), (70, 4018632), (80, 3516303), (84, 3348860), (105, 2679088), (112, 2511645), (120, 2344202), (140, 2009316), (168, 1674430), (210, 1339544), (240, 1172101), (280, 1004658), (336, 837215), (420, 669772), (560, 502329), (840, 334886), (1680, 167443)]