28263180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 92504160

約数和(自身を除く): 64240980

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 132, 165, 170, 187, 204, 220, 229, 242, 255, 330, 340, 363, 374, 458, 484, 510, 561, 605, 660, 687, 726, 748, 916, 935, 1020, 1122, 1145, 1210, 1374, 1452, 1815, 1870, 2057, 2244, 2290, 2420, 2519, 2748, 2805, 3435, 3630, 3740, 3893, 4114, 4580, 5038, 5610, 6171, 6870, 7260, 7557, 7786, 8228, 10076, 10285, 11220, 11679, 12342, 12595, 13740, 15114, 15572, 19465, 20570, 23358, 24684, 25190, 27709, 30228, 30855, 37785, 38930, 41140, 42823, 46716, 50380, 55418, 58395, 61710, 75570, 77860, 83127, 85646, 110836, 116790, 123420, 128469, 138545, 151140, 166254, 171292, 214115, 233580, 256938, 277090, 332508, 415635, 428230, 471053, 513876, 554180, 642345, 831270, 856460, 942106, 1284690, 1413159, 1662540, 1884212, 2355265, 2569380, 2826318, 4710530, 5652636, 7065795, 9421060, 14131590, 28263180]

約数ペア:

[(1, 28263180), (2, 14131590), (3, 9421060), (4, 7065795), (5, 5652636), (6, 4710530), (10, 2826318), (11, 2569380), (12, 2355265), (15, 1884212), (17, 1662540), (20, 1413159), (22, 1284690), (30, 942106), (33, 856460), (34, 831270), (44, 642345), (51, 554180), (55, 513876), (60, 471053), (66, 428230), (68, 415635), (85, 332508), (102, 277090), (110, 256938), (121, 233580), (132, 214115), (165, 171292), (170, 166254), (187, 151140), (204, 138545), (220, 128469), (229, 123420), (242, 116790), (255, 110836), (330, 85646), (340, 83127), (363, 77860), (374, 75570), (458, 61710), (484, 58395), (510, 55418), (561, 50380), (605, 46716), (660, 42823), (687, 41140), (726, 38930), (748, 37785), (916, 30855), (935, 30228), (1020, 27709), (1122, 25190), (1145, 24684), (1210, 23358), (1374, 20570), (1452, 19465), (1815, 15572), (1870, 15114), (2057, 13740), (2244, 12595), (2290, 12342), (2420, 11679), (2519, 11220), (2748, 10285), (2805, 10076), (3435, 8228), (3630, 7786), (3740, 7557), (3893, 7260), (4114, 6870), (4580, 6171), (5038, 5610)]