80439870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{54721}}^1$

素因数の和:54745

約数の個数: 48

約数和(自身を含む): 224579088

約数和(自身を除く): 144139218

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 54721, 109442, 164163, 273605, 328326, 383047, 547210, 766094, 820815, 1149141, 1641630, 1915235, 2298282, 2681329, 3830470, 5362658, 5745705, 8043987, 11491410, 13406645, 16087974, 26813290, 40219935, 80439870]

約数ペア:

[(1, 80439870), (2, 40219935), (3, 26813290), (5, 16087974), (6, 13406645), (7, 11491410), (10, 8043987), (14, 5745705), (15, 5362658), (21, 3830470), (30, 2681329), (35, 2298282), (42, 1915235), (49, 1641630), (70, 1149141), (98, 820815), (105, 766094), (147, 547210), (210, 383047), (245, 328326), (294, 273605), (490, 164163), (735, 109442), (1470, 54721)]