90090420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{30643}}^1$

素因数の和:30669

約数の個数: 72

約数和(自身を含む): 293446944

約数和(自身を除く): 203356524

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, 30643, 61286, 91929, 122572, 153215, 183858, 214501, 306430, 367716, 429002, 459645, 612860, 643503, 858004, 919290, 1072505, 1287006, 1501507, 1838580, 2145010, 2574012, 3003014, 3217515, 4290020, 4504521, 6006028, 6435030, 7507535, 9009042, 12870060, 15015070, 18018084, 22522605, 30030140, 45045210, 90090420]

約数ペア:

[(1, 90090420), (2, 45045210), (3, 30030140), (4, 22522605), (5, 18018084), (6, 15015070), (7, 12870060), (10, 9009042), (12, 7507535), (14, 6435030), (15, 6006028), (20, 4504521), (21, 4290020), (28, 3217515), (30, 3003014), (35, 2574012), (42, 2145010), (49, 1838580), (60, 1501507), (70, 1287006), (84, 1072505), (98, 919290), (105, 858004), (140, 643503), (147, 612860), (196, 459645), (210, 429002), (245, 367716), (294, 306430), (420, 214501), (490, 183858), (588, 153215), (735, 122572), (980, 91929), (1470, 61286), (2940, 30643)]