181453860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{2939}}^1$

素因数の和:2975

約数の個数: 144

約数和(自身を含む): 642096000

約数和(自身を除く): 460642140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2939, 2940, 3087, 3430, 4116, 4410, 5145, 5878, 6174, 6860, 8817, 8820, 10290, 11756, 12348, 14695, 15435, 17634, 20573, 20580, 26451, 29390, 30870, 35268, 41146, 44085, 52902, 58780, 61719, 61740, 82292, 88170, 102865, 105804, 123438, 132255, 144011, 176340, 185157, 205730, 246876, 264510, 288022, 308595, 370314, 411460, 432033, 529020, 576044, 617190, 720055, 740628, 864066, 925785, 1008077, 1234380, 1296099, 1440110, 1728132, 1851570, 2016154, 2160165, 2592198, 2880220, 3024231, 3703140, 4032308, 4320330, 5040385, 5184396, 6048462, 6480495, 8640660, 9072693, 10080770, 12096924, 12960990, 15121155, 18145386, 20161540, 25921980, 30242310, 36290772, 45363465, 60484620, 90726930, 181453860]

約数ペア:

[(1, 181453860), (2, 90726930), (3, 60484620), (4, 45363465), (5, 36290772), (6, 30242310), (7, 25921980), (9, 20161540), (10, 18145386), (12, 15121155), (14, 12960990), (15, 12096924), (18, 10080770), (20, 9072693), (21, 8640660), (28, 6480495), (30, 6048462), (35, 5184396), (36, 5040385), (42, 4320330), (45, 4032308), (49, 3703140), (60, 3024231), (63, 2880220), (70, 2592198), (84, 2160165), (90, 2016154), (98, 1851570), (105, 1728132), (126, 1440110), (140, 1296099), (147, 1234380), (180, 1008077), (196, 925785), (210, 864066), (245, 740628), (252, 720055), (294, 617190), (315, 576044), (343, 529020), (420, 432033), (441, 411460), (490, 370314), (588, 308595), (630, 288022), (686, 264510), (735, 246876), (882, 205730), (980, 185157), (1029, 176340), (1260, 144011), (1372, 132255), (1470, 123438), (1715, 105804), (1764, 102865), (2058, 88170), (2205, 82292), (2939, 61740), (2940, 61719), (3087, 58780), (3430, 52902), (4116, 44085), (4410, 41146), (5145, 35268), (5878, 30870), (6174, 29390), (6860, 26451), (8817, 20580), (8820, 20573), (10290, 17634), (11756, 15435), (12348, 14695)]