210545820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8929}}^1$

素因数の和:9075

約数の個数: 72

約数和(自身を含む): 643602960

約数和(自身を除く): 433057140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 8929, 11790, 17858, 23580, 26787, 35716, 44645, 53574, 80361, 89290, 107148, 133935, 160722, 178580, 267870, 321444, 401805, 535740, 803610, 1169699, 1607220, 2339398, 3509097, 4678796, 5848495, 7018194, 10527291, 11696990, 14036388, 17545485, 21054582, 23393980, 35090970, 42109164, 52636455, 70181940, 105272910, 210545820]

約数ペア:

[(1, 210545820), (2, 105272910), (3, 70181940), (4, 52636455), (5, 42109164), (6, 35090970), (9, 23393980), (10, 21054582), (12, 17545485), (15, 14036388), (18, 11696990), (20, 10527291), (30, 7018194), (36, 5848495), (45, 4678796), (60, 3509097), (90, 2339398), (131, 1607220), (180, 1169699), (262, 803610), (393, 535740), (524, 401805), (655, 321444), (786, 267870), (1179, 178580), (1310, 160722), (1572, 133935), (1965, 107148), (2358, 89290), (2620, 80361), (3930, 53574), (4716, 44645), (5895, 35716), (7860, 26787), (8929, 23580), (11790, 17858)]