279431460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20161}}^1$

素因数の和:20194

約数の個数: 144

約数和(自身を含む): 1056811392

約数和(自身を除く): 777379932

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, 20161, 40322, 60483, 80644, 100805, 120966, 141127, 181449, 201610, 221771, 241932, 282254, 302415, 362898, 403220, 423381, 443542, 564508, 604830, 665313, 705635, 725796, 846762, 887084, 907245, 1108855, 1209660, 1270143, 1330626, 1411270, 1552397, 1693524, 1814490, 1995939, 2116905, 2217710, 2540286, 2661252, 2822540, 3104794, 3326565, 3628980, 3991878, 4233810, 4435420, 4657191, 5080572, 6209588, 6350715, 6653130, 7761985, 7983756, 8467620, 9314382, 9979695, 12701430, 13306260, 13971573, 15523970, 18628764, 19959390, 23285955, 25402860, 27943146, 31047940, 39918780, 46571910, 55886292, 69857865, 93143820, 139715730, 279431460]

約数ペア:

[(1, 279431460), (2, 139715730), (3, 93143820), (4, 69857865), (5, 55886292), (6, 46571910), (7, 39918780), (9, 31047940), (10, 27943146), (11, 25402860), (12, 23285955), (14, 19959390), (15, 18628764), (18, 15523970), (20, 13971573), (21, 13306260), (22, 12701430), (28, 9979695), (30, 9314382), (33, 8467620), (35, 7983756), (36, 7761985), (42, 6653130), (44, 6350715), (45, 6209588), (55, 5080572), (60, 4657191), (63, 4435420), (66, 4233810), (70, 3991878), (77, 3628980), (84, 3326565), (90, 3104794), (99, 2822540), (105, 2661252), (110, 2540286), (126, 2217710), (132, 2116905), (140, 1995939), (154, 1814490), (165, 1693524), (180, 1552397), (198, 1411270), (210, 1330626), (220, 1270143), (231, 1209660), (252, 1108855), (308, 907245), (315, 887084), (330, 846762), (385, 725796), (396, 705635), (420, 665313), (462, 604830), (495, 564508), (630, 443542), (660, 423381), (693, 403220), (770, 362898), (924, 302415), (990, 282254), (1155, 241932), (1260, 221771), (1386, 201610), (1540, 181449), (1980, 141127), (2310, 120966), (2772, 100805), (3465, 80644), (4620, 60483), (6930, 40322), (13860, 20161)]