64840635

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1537

約数の個数: 64

約数和(自身を含む): 128563200

約数和(自身を除く): 63722565

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 513, 765, 855, 969, 1487, 1615, 2295, 2565, 2907, 4461, 4845, 7435, 8721, 13383, 14535, 22305, 25279, 28253, 40149, 43605, 66915, 75837, 84759, 126395, 141265, 200745, 227511, 254277, 379185, 423795, 480301, 682533, 762831, 1137555, 1271385, 1440903, 2401505, 3412665, 3814155, 4322709, 7204515, 12968127, 21613545, 64840635]

約数ペア:

[(1, 64840635), (3, 21613545), (5, 12968127), (9, 7204515), (15, 4322709), (17, 3814155), (19, 3412665), (27, 2401505), (45, 1440903), (51, 1271385), (57, 1137555), (85, 762831), (95, 682533), (135, 480301), (153, 423795), (171, 379185), (255, 254277), (285, 227511), (323, 200745), (459, 141265), (513, 126395), (765, 84759), (855, 75837), (969, 66915), (1487, 43605), (1615, 40149), (2295, 28253), (2565, 25279), (2907, 22305), (4461, 14535), (4845, 13383), (7435, 8721)]