78206475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 137178720

約数和(自身を除く): 58972245

約数列:

[1, 3, 5, 15, 25, 29, 41, 75, 87, 123, 145, 205, 435, 615, 725, 877, 1025, 1189, 2175, 2631, 3075, 3567, 4385, 5945, 13155, 17835, 21925, 25433, 29725, 35957, 65775, 76299, 89175, 107871, 127165, 179785, 381495, 539355, 635825, 898925, 1042753, 1907475, 2696775, 3128259, 5213765, 15641295, 26068825, 78206475]

約数ペア:

[(1, 78206475), (3, 26068825), (5, 15641295), (15, 5213765), (25, 3128259), (29, 2696775), (41, 1907475), (75, 1042753), (87, 898925), (123, 635825), (145, 539355), (205, 381495), (435, 179785), (615, 127165), (725, 107871), (877, 89175), (1025, 76299), (1189, 65775), (2175, 35957), (2631, 29725), (3075, 25433), (3567, 21925), (4385, 17835), (5945, 13155)]