279653220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20177}}^1$

素因数の和:20210

約数の個数: 144

約数和(自身を含む): 1057650048

約数和(自身を除く): 777996828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 20177, 40354, 60531, 80708, 100885, 121062, 141239, 181593, 201770, 221947, 242124, 282478, 302655, 363186, 403540, 423717, 443894, 564956, 605310, 665841, 706195, 726372, 847434, 887788, 907965, 1109735, 1210620, 1271151, 1331682, 1412390, 1553629, 1694868, 1815930, 1997523, 2118585, 2219470, 2542302, 2663364, 2824780, 3107258, 3329205, 3631860, 3995046, 4237170, 4438940, 4660887, 5084604, 6214516, 6355755, 6658410, 7768145, 7990092, 8474340, 9321774, 9987615, 12711510, 13316820, 13982661, 15536290, 18643548, 19975230, 23304435, 25423020, 27965322, 31072580, 39950460, 46608870, 55930644, 69913305, 93217740, 139826610, 279653220]

約数ペア:

[(1, 279653220), (2, 139826610), (3, 93217740), (4, 69913305), (5, 55930644), (6, 46608870), (7, 39950460), (9, 31072580), (10, 27965322), (11, 25423020), (12, 23304435), (14, 19975230), (15, 18643548), (18, 15536290), (20, 13982661), (21, 13316820), (22, 12711510), (28, 9987615), (30, 9321774), (33, 8474340), (35, 7990092), (36, 7768145), (42, 6658410), (44, 6355755), (45, 6214516), (55, 5084604), (60, 4660887), (63, 4438940), (66, 4237170), (70, 3995046), (77, 3631860), (84, 3329205), (90, 3107258), (99, 2824780), (105, 2663364), (110, 2542302), (126, 2219470), (132, 2118585), (140, 1997523), (154, 1815930), (165, 1694868), (180, 1553629), (198, 1412390), (210, 1331682), (220, 1271151), (231, 1210620), (252, 1109735), (308, 907965), (315, 887788), (330, 847434), (385, 726372), (396, 706195), (420, 665841), (462, 605310), (495, 564956), (630, 443894), (660, 423717), (693, 403540), (770, 363186), (924, 302655), (990, 282478), (1155, 242124), (1260, 221947), (1386, 201770), (1540, 181593), (1980, 141239), (2310, 121062), (2772, 100885), (3465, 80708), (4620, 60531), (6930, 40354), (13860, 20177)]