262720980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{76819}}^1$

素因数の和:76853

約数の個数: 72

約数和(自身を含む): 838874400

約数和(自身を除く): 576153420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 76819, 153638, 230457, 307276, 384095, 460914, 691371, 768190, 921828, 1152285, 1382742, 1459561, 1536380, 2304570, 2765484, 2919122, 3456855, 4378683, 4609140, 5838244, 6913710, 7297805, 8757366, 13136049, 13827420, 14595610, 17514732, 21893415, 26272098, 29191220, 43786830, 52544196, 65680245, 87573660, 131360490, 262720980]

約数ペア:

[(1, 262720980), (2, 131360490), (3, 87573660), (4, 65680245), (5, 52544196), (6, 43786830), (9, 29191220), (10, 26272098), (12, 21893415), (15, 17514732), (18, 14595610), (19, 13827420), (20, 13136049), (30, 8757366), (36, 7297805), (38, 6913710), (45, 5838244), (57, 4609140), (60, 4378683), (76, 3456855), (90, 2919122), (95, 2765484), (114, 2304570), (171, 1536380), (180, 1459561), (190, 1382742), (228, 1152285), (285, 921828), (342, 768190), (380, 691371), (570, 460914), (684, 384095), (855, 307276), (1140, 230457), (1710, 153638), (3420, 76819)]