245000970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1153}}^1$

素因数の和:1956

約数の個数: 64

約数和(自身を含む): 654733440

約数和(自身を除く): 409732470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 787, 1153, 1574, 2306, 2361, 3459, 3935, 4722, 5765, 6918, 7083, 7870, 10377, 11530, 11805, 14166, 17295, 20754, 21249, 23610, 31131, 34590, 35415, 42498, 51885, 62262, 70830, 103770, 106245, 155655, 212490, 311310, 907411, 1814822, 2722233, 4537055, 5444466, 8166699, 9074110, 13611165, 16333398, 24500097, 27222330, 40833495, 49000194, 81666990, 122500485, 245000970]

約数ペア:

[(1, 245000970), (2, 122500485), (3, 81666990), (5, 49000194), (6, 40833495), (9, 27222330), (10, 24500097), (15, 16333398), (18, 13611165), (27, 9074110), (30, 8166699), (45, 5444466), (54, 4537055), (90, 2722233), (135, 1814822), (270, 907411), (787, 311310), (1153, 212490), (1574, 155655), (2306, 106245), (2361, 103770), (3459, 70830), (3935, 62262), (4722, 51885), (5765, 42498), (6918, 35415), (7083, 34590), (7870, 31131), (10377, 23610), (11530, 21249), (11805, 20754), (14166, 17295)]