66916980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28597}}^1$

素因数の和:28625

約数の個数: 72

約数和(自身を含む): 218603112

約数和(自身を除く): 151686132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 28597, 57194, 85791, 114388, 142985, 171582, 257373, 285970, 343164, 371761, 428955, 514746, 571940, 743522, 857910, 1029492, 1115283, 1286865, 1487044, 1715820, 1858805, 2230566, 2573730, 3345849, 3717610, 4461132, 5147460, 5576415, 6691698, 7435220, 11152830, 13383396, 16729245, 22305660, 33458490, 66916980]

約数ペア:

[(1, 66916980), (2, 33458490), (3, 22305660), (4, 16729245), (5, 13383396), (6, 11152830), (9, 7435220), (10, 6691698), (12, 5576415), (13, 5147460), (15, 4461132), (18, 3717610), (20, 3345849), (26, 2573730), (30, 2230566), (36, 1858805), (39, 1715820), (45, 1487044), (52, 1286865), (60, 1115283), (65, 1029492), (78, 857910), (90, 743522), (117, 571940), (130, 514746), (156, 428955), (180, 371761), (195, 343164), (234, 285970), (260, 257373), (390, 171582), (468, 142985), (585, 114388), (780, 85791), (1170, 57194), (2340, 28597)]