163704420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2851}}^1$

素因数の和:2906

約数の個数: 144

約数和(自身を含む): 560589120

約数和(自身を除く): 396884700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 396, 435, 495, 522, 580, 638, 660, 870, 957, 990, 1044, 1276, 1305, 1595, 1740, 1914, 1980, 2610, 2851, 2871, 3190, 3828, 4785, 5220, 5702, 5742, 6380, 8553, 9570, 11404, 11484, 14255, 14355, 17106, 19140, 25659, 28510, 28710, 31361, 34212, 42765, 51318, 57020, 57420, 62722, 82679, 85530, 94083, 102636, 125444, 128295, 156805, 165358, 171060, 188166, 248037, 256590, 282249, 313610, 330716, 376332, 413395, 470415, 496074, 513180, 564498, 627220, 744111, 826790, 909469, 940830, 992148, 1128996, 1240185, 1411245, 1488222, 1653580, 1818938, 1881660, 2480370, 2728407, 2822490, 2976444, 3637876, 3720555, 4547345, 4960740, 5456814, 5644980, 7441110, 8185221, 9094690, 10913628, 13642035, 14882220, 16370442, 18189380, 27284070, 32740884, 40926105, 54568140, 81852210, 163704420]

約数ペア:

[(1, 163704420), (2, 81852210), (3, 54568140), (4, 40926105), (5, 32740884), (6, 27284070), (9, 18189380), (10, 16370442), (11, 14882220), (12, 13642035), (15, 10913628), (18, 9094690), (20, 8185221), (22, 7441110), (29, 5644980), (30, 5456814), (33, 4960740), (36, 4547345), (44, 3720555), (45, 3637876), (55, 2976444), (58, 2822490), (60, 2728407), (66, 2480370), (87, 1881660), (90, 1818938), (99, 1653580), (110, 1488222), (116, 1411245), (132, 1240185), (145, 1128996), (165, 992148), (174, 940830), (180, 909469), (198, 826790), (220, 744111), (261, 627220), (290, 564498), (319, 513180), (330, 496074), (348, 470415), (396, 413395), (435, 376332), (495, 330716), (522, 313610), (580, 282249), (638, 256590), (660, 248037), (870, 188166), (957, 171060), (990, 165358), (1044, 156805), (1276, 128295), (1305, 125444), (1595, 102636), (1740, 94083), (1914, 85530), (1980, 82679), (2610, 62722), (2851, 57420), (2871, 57020), (3190, 51318), (3828, 42765), (4785, 34212), (5220, 31361), (5702, 28710), (5742, 28510), (6380, 25659), (8553, 19140), (9570, 17106), (11404, 14355), (11484, 14255)]