81270648

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10169}}^1$

素因数の和:10221

約数の個数: 64

約数和(自身を含む): 231876000

約数和(自身を除く): 150605352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2664, 3996, 7992, 10169, 20338, 30507, 40676, 61014, 81352, 91521, 122028, 183042, 244056, 274563, 366084, 376253, 549126, 732168, 752506, 1098252, 1128759, 1505012, 2196504, 2257518, 3010024, 3386277, 4515036, 6772554, 9030072, 10158831, 13545108, 20317662, 27090216, 40635324, 81270648]

約数ペア:

[(1, 81270648), (2, 40635324), (3, 27090216), (4, 20317662), (6, 13545108), (8, 10158831), (9, 9030072), (12, 6772554), (18, 4515036), (24, 3386277), (27, 3010024), (36, 2257518), (37, 2196504), (54, 1505012), (72, 1128759), (74, 1098252), (108, 752506), (111, 732168), (148, 549126), (216, 376253), (222, 366084), (296, 274563), (333, 244056), (444, 183042), (666, 122028), (888, 91521), (999, 81352), (1332, 61014), (1998, 40676), (2664, 30507), (3996, 20338), (7992, 10169)]