78880020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{69193}}^1$

素因数の和:69224

約数の個数: 48

約数和(自身を含む): 232491840

約数和(自身を除く): 153611820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 69193, 138386, 207579, 276772, 345965, 415158, 691930, 830316, 1037895, 1314667, 1383860, 2075790, 2629334, 3944001, 4151580, 5258668, 6573335, 7888002, 13146670, 15776004, 19720005, 26293340, 39440010, 78880020]

約数ペア:

[(1, 78880020), (2, 39440010), (3, 26293340), (4, 19720005), (5, 15776004), (6, 13146670), (10, 7888002), (12, 6573335), (15, 5258668), (19, 4151580), (20, 3944001), (30, 2629334), (38, 2075790), (57, 1383860), (60, 1314667), (76, 1037895), (95, 830316), (114, 691930), (190, 415158), (228, 345965), (285, 276772), (380, 207579), (570, 138386), (1140, 69193)]