221172840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{87767}}^1$

素因数の和:87791

約数の個数: 96

約数和(自身を含む): 821508480

約数和(自身を除く): 600335640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 87767, 175534, 263301, 351068, 438835, 526602, 614369, 702136, 789903, 877670, 1053204, 1228738, 1316505, 1579806, 1755340, 1843107, 2106408, 2457476, 2633010, 3071845, 3159612, 3510680, 3686214, 3949515, 4914952, 5266020, 5529321, 6143690, 6319224, 7372428, 7899030, 9215535, 10532040, 11058642, 12287380, 14744856, 15798060, 18431070, 22117284, 24574760, 27646605, 31596120, 36862140, 44234568, 55293210, 73724280, 110586420, 221172840]

約数ペア:

[(1, 221172840), (2, 110586420), (3, 73724280), (4, 55293210), (5, 44234568), (6, 36862140), (7, 31596120), (8, 27646605), (9, 24574760), (10, 22117284), (12, 18431070), (14, 15798060), (15, 14744856), (18, 12287380), (20, 11058642), (21, 10532040), (24, 9215535), (28, 7899030), (30, 7372428), (35, 6319224), (36, 6143690), (40, 5529321), (42, 5266020), (45, 4914952), (56, 3949515), (60, 3686214), (63, 3510680), (70, 3159612), (72, 3071845), (84, 2633010), (90, 2457476), (105, 2106408), (120, 1843107), (126, 1755340), (140, 1579806), (168, 1316505), (180, 1228738), (210, 1053204), (252, 877670), (280, 789903), (315, 702136), (360, 614369), (420, 526602), (504, 438835), (630, 351068), (840, 263301), (1260, 175534), (2520, 87767)]