87710820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85991}}^1$

素因数の和:86020

約数の個数: 48

約数和(自身を含む): 260039808

約数和(自身を除く): 172328988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 85991, 171982, 257973, 343964, 429955, 515946, 859910, 1031892, 1289865, 1461847, 1719820, 2579730, 2923694, 4385541, 5159460, 5847388, 7309235, 8771082, 14618470, 17542164, 21927705, 29236940, 43855410, 87710820]

約数ペア:

[(1, 87710820), (2, 43855410), (3, 29236940), (4, 21927705), (5, 17542164), (6, 14618470), (10, 8771082), (12, 7309235), (15, 5847388), (17, 5159460), (20, 4385541), (30, 2923694), (34, 2579730), (51, 1719820), (60, 1461847), (68, 1289865), (85, 1031892), (102, 859910), (170, 515946), (204, 429955), (255, 343964), (340, 257973), (510, 171982), (1020, 85991)]