66439260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2351}}^1$

素因数の和:2523

約数の個数: 72

約数和(自身を含む): 202902336

約数和(自身を除く): 136463076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2351, 2355, 2826, 3140, 4702, 4710, 5652, 7053, 7065, 9404, 9420, 11755, 14106, 14130, 21159, 23510, 28212, 28260, 35265, 42318, 47020, 70530, 84636, 105795, 141060, 211590, 369107, 423180, 738214, 1107321, 1476428, 1845535, 2214642, 3321963, 3691070, 4429284, 5536605, 6643926, 7382140, 11073210, 13287852, 16609815, 22146420, 33219630, 66439260]

約数ペア:

[(1, 66439260), (2, 33219630), (3, 22146420), (4, 16609815), (5, 13287852), (6, 11073210), (9, 7382140), (10, 6643926), (12, 5536605), (15, 4429284), (18, 3691070), (20, 3321963), (30, 2214642), (36, 1845535), (45, 1476428), (60, 1107321), (90, 738214), (157, 423180), (180, 369107), (314, 211590), (471, 141060), (628, 105795), (785, 84636), (942, 70530), (1413, 47020), (1570, 42318), (1884, 35265), (2351, 28260), (2355, 28212), (2826, 23510), (3140, 21159), (4702, 14130), (4710, 14106), (5652, 11755), (7053, 9420), (7065, 9404)]