278836020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9059}}^1$

素因数の和:9099

約数の個数: 120

約数和(自身を含む): 920858400

約数和(自身を除く): 642022380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 9059, 10260, 15390, 18118, 27177, 30780, 36236, 45295, 54354, 81531, 90590, 108708, 135885, 163062, 172121, 181180, 244593, 271770, 326124, 344242, 407655, 489186, 516363, 543540, 688484, 733779, 815310, 860605, 978372, 1032726, 1222965, 1467558, 1549089, 1630620, 1721210, 2065452, 2445930, 2581815, 2935116, 3098178, 3442420, 3668895, 4647267, 4891860, 5163630, 6196356, 7337790, 7745445, 9294534, 10327260, 13941801, 14675580, 15490890, 18589068, 23236335, 27883602, 30981780, 46472670, 55767204, 69709005, 92945340, 139418010, 278836020]

約数ペア:

[(1, 278836020), (2, 139418010), (3, 92945340), (4, 69709005), (5, 55767204), (6, 46472670), (9, 30981780), (10, 27883602), (12, 23236335), (15, 18589068), (18, 15490890), (19, 14675580), (20, 13941801), (27, 10327260), (30, 9294534), (36, 7745445), (38, 7337790), (45, 6196356), (54, 5163630), (57, 4891860), (60, 4647267), (76, 3668895), (81, 3442420), (90, 3098178), (95, 2935116), (108, 2581815), (114, 2445930), (135, 2065452), (162, 1721210), (171, 1630620), (180, 1549089), (190, 1467558), (228, 1222965), (270, 1032726), (285, 978372), (324, 860605), (342, 815310), (380, 733779), (405, 688484), (513, 543540), (540, 516363), (570, 489186), (684, 407655), (810, 344242), (855, 326124), (1026, 271770), (1140, 244593), (1539, 181180), (1620, 172121), (1710, 163062), (2052, 135885), (2565, 108708), (3078, 90590), (3420, 81531), (5130, 54354), (6156, 45295), (7695, 36236), (9059, 30780), (10260, 27177), (15390, 18118)]