67187820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22853}}^1$

素因数の和:22879

約数の個数: 72

約数和(自身を含む): 218849904

約数和(自身を除く): 151662084

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, 22853, 45706, 68559, 91412, 114265, 137118, 159971, 228530, 274236, 319942, 342795, 457060, 479913, 639884, 685590, 799855, 959826, 1119797, 1371180, 1599710, 1919652, 2239594, 2399565, 3199420, 3359391, 4479188, 4799130, 5598985, 6718782, 9598260, 11197970, 13437564, 16796955, 22395940, 33593910, 67187820]

約数ペア:

[(1, 67187820), (2, 33593910), (3, 22395940), (4, 16796955), (5, 13437564), (6, 11197970), (7, 9598260), (10, 6718782), (12, 5598985), (14, 4799130), (15, 4479188), (20, 3359391), (21, 3199420), (28, 2399565), (30, 2239594), (35, 1919652), (42, 1599710), (49, 1371180), (60, 1119797), (70, 959826), (84, 799855), (98, 685590), (105, 639884), (140, 479913), (147, 457060), (196, 342795), (210, 319942), (245, 274236), (294, 228530), (420, 159971), (490, 137118), (588, 114265), (735, 91412), (980, 68559), (1470, 45706), (2940, 22853)]