84874980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1723}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 238077504

約数和(自身を除く): 153202524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 821, 1642, 1723, 2463, 3284, 3446, 4105, 4926, 5169, 6892, 8210, 8615, 9852, 10338, 12315, 16420, 17230, 20676, 24630, 25845, 34460, 49260, 51690, 103380, 1414583, 2829166, 4243749, 5658332, 7072915, 8487498, 14145830, 16974996, 21218745, 28291660, 42437490, 84874980]

約数ペア:

[(1, 84874980), (2, 42437490), (3, 28291660), (4, 21218745), (5, 16974996), (6, 14145830), (10, 8487498), (12, 7072915), (15, 5658332), (20, 4243749), (30, 2829166), (60, 1414583), (821, 103380), (1642, 51690), (1723, 49260), (2463, 34460), (3284, 25845), (3446, 24630), (4105, 20676), (4926, 17230), (5169, 16420), (6892, 12315), (8210, 10338), (8615, 9852)]