61437180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{20897}}^1$

素因数の和:20923

約数の個数: 72

約数和(自身を含む): 200119248

約数和(自身を除く): 138682068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 20897, 41794, 62691, 83588, 104485, 125382, 146279, 208970, 250764, 292558, 313455, 417940, 438837, 585116, 626910, 731395, 877674, 1023953, 1253820, 1462790, 1755348, 2047906, 2194185, 2925580, 3071859, 4095812, 4388370, 5119765, 6143718, 8776740, 10239530, 12287436, 15359295, 20479060, 30718590, 61437180]

約数ペア:

[(1, 61437180), (2, 30718590), (3, 20479060), (4, 15359295), (5, 12287436), (6, 10239530), (7, 8776740), (10, 6143718), (12, 5119765), (14, 4388370), (15, 4095812), (20, 3071859), (21, 2925580), (28, 2194185), (30, 2047906), (35, 1755348), (42, 1462790), (49, 1253820), (60, 1023953), (70, 877674), (84, 731395), (98, 626910), (105, 585116), (140, 438837), (147, 417940), (196, 313455), (210, 292558), (245, 250764), (294, 208970), (420, 146279), (490, 125382), (588, 104485), (735, 83588), (980, 62691), (1470, 41794), (2940, 20897)]