128371560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1303}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 385879680

約数和(自身を除く): 257508120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 821, 1303, 1642, 2463, 2606, 3284, 3909, 4105, 4926, 5212, 6515, 6568, 7818, 8210, 9852, 10424, 12315, 13030, 15636, 16420, 19545, 19704, 24630, 26060, 31272, 32840, 39090, 49260, 52120, 78180, 98520, 156360, 1069763, 2139526, 3209289, 4279052, 5348815, 6418578, 8558104, 10697630, 12837156, 16046445, 21395260, 25674312, 32092890, 42790520, 64185780, 128371560]

約数ペア:

[(1, 128371560), (2, 64185780), (3, 42790520), (4, 32092890), (5, 25674312), (6, 21395260), (8, 16046445), (10, 12837156), (12, 10697630), (15, 8558104), (20, 6418578), (24, 5348815), (30, 4279052), (40, 3209289), (60, 2139526), (120, 1069763), (821, 156360), (1303, 98520), (1642, 78180), (2463, 52120), (2606, 49260), (3284, 39090), (3909, 32840), (4105, 31272), (4926, 26060), (5212, 24630), (6515, 19704), (6568, 19545), (7818, 16420), (8210, 15636), (9852, 13030), (10424, 12315)]