66966340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2971}}^1$

素因数の和:3017

約数の個数: 72

約数和(自身を含む): 170759232

約数和(自身を除く): 103792892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 2971, 3220, 4508, 5635, 5942, 11270, 11884, 14855, 20797, 22540, 29710, 41594, 59420, 68333, 83188, 103985, 136666, 145579, 207970, 273332, 291158, 341665, 415940, 478331, 582316, 683330, 727895, 956662, 1366660, 1455790, 1913324, 2391655, 2911580, 3348317, 4783310, 6696634, 9566620, 13393268, 16741585, 33483170, 66966340]

約数ペア:

[(1, 66966340), (2, 33483170), (4, 16741585), (5, 13393268), (7, 9566620), (10, 6696634), (14, 4783310), (20, 3348317), (23, 2911580), (28, 2391655), (35, 1913324), (46, 1455790), (49, 1366660), (70, 956662), (92, 727895), (98, 683330), (115, 582316), (140, 478331), (161, 415940), (196, 341665), (230, 291158), (245, 273332), (322, 207970), (460, 145579), (490, 136666), (644, 103985), (805, 83188), (980, 68333), (1127, 59420), (1610, 41594), (2254, 29710), (2971, 22540), (3220, 20797), (4508, 14855), (5635, 11884), (5942, 11270)]