1788540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2318

約数の個数: 48

約数和(自身を含む): 5395488

約数和(自身を除く): 3606948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2293, 4586, 6879, 9172, 11465, 13758, 22930, 27516, 29809, 34395, 45860, 59618, 68790, 89427, 119236, 137580, 149045, 178854, 298090, 357708, 447135, 596180, 894270, 1788540]

約数ペア:

[(1, 1788540), (2, 894270), (3, 596180), (4, 447135), (5, 357708), (6, 298090), (10, 178854), (12, 149045), (13, 137580), (15, 119236), (20, 89427), (26, 68790), (30, 59618), (39, 45860), (52, 34395), (60, 29809), (65, 27516), (78, 22930), (130, 13758), (156, 11465), (195, 9172), (260, 6879), (390, 4586), (780, 2293)]