291571380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{539947}}^1$

素因数の和:539965

約数の個数: 48

約数和(自身を含む): 907112640

約数和(自身を除く): 615541260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 539947, 1079894, 1619841, 2159788, 2699735, 3239682, 4859523, 5399470, 6479364, 8099205, 9719046, 10798940, 14578569, 16198410, 19438092, 24297615, 29157138, 32396820, 48595230, 58314276, 72892845, 97190460, 145785690, 291571380]

約数ペア:

[(1, 291571380), (2, 145785690), (3, 97190460), (4, 72892845), (5, 58314276), (6, 48595230), (9, 32396820), (10, 29157138), (12, 24297615), (15, 19438092), (18, 16198410), (20, 14578569), (27, 10798940), (30, 9719046), (36, 8099205), (45, 6479364), (54, 5399470), (60, 4859523), (90, 3239682), (108, 2699735), (135, 2159788), (180, 1619841), (270, 1079894), (540, 539947)]