206855820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21683}}^1$

素因数の和:21751

約数の個数: 72

約数和(自身を含む): 639331056

約数和(自身を除く): 432475236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 21683, 43366, 65049, 86732, 108415, 130098, 195147, 216830, 260196, 325245, 390294, 433660, 650490, 780588, 975735, 1149199, 1300980, 1951470, 2298398, 3447597, 3902940, 4596796, 5745995, 6895194, 10342791, 11491990, 13790388, 17237985, 20685582, 22983980, 34475970, 41371164, 51713955, 68951940, 103427910, 206855820]

約数ペア:

[(1, 206855820), (2, 103427910), (3, 68951940), (4, 51713955), (5, 41371164), (6, 34475970), (9, 22983980), (10, 20685582), (12, 17237985), (15, 13790388), (18, 11491990), (20, 10342791), (30, 6895194), (36, 5745995), (45, 4596796), (53, 3902940), (60, 3447597), (90, 2298398), (106, 1951470), (159, 1300980), (180, 1149199), (212, 975735), (265, 780588), (318, 650490), (477, 433660), (530, 390294), (636, 325245), (795, 260196), (954, 216830), (1060, 195147), (1590, 130098), (1908, 108415), (2385, 86732), (3180, 65049), (4770, 43366), (9540, 21683)]