77170020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 229555200

約数和(自身を除く): 152385180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 139, 190, 228, 278, 285, 380, 417, 487, 556, 570, 695, 834, 974, 1140, 1390, 1461, 1668, 1948, 2085, 2435, 2641, 2780, 2922, 4170, 4870, 5282, 5844, 7305, 7923, 8340, 9253, 9740, 10564, 13205, 14610, 15846, 18506, 26410, 27759, 29220, 31692, 37012, 39615, 46265, 52820, 55518, 67693, 79230, 92530, 111036, 135386, 138795, 158460, 185060, 203079, 270772, 277590, 338465, 406158, 555180, 676930, 812316, 1015395, 1286167, 1353860, 2030790, 2572334, 3858501, 4061580, 5144668, 6430835, 7717002, 12861670, 15434004, 19292505, 25723340, 38585010, 77170020]

約数ペア:

[(1, 77170020), (2, 38585010), (3, 25723340), (4, 19292505), (5, 15434004), (6, 12861670), (10, 7717002), (12, 6430835), (15, 5144668), (19, 4061580), (20, 3858501), (30, 2572334), (38, 2030790), (57, 1353860), (60, 1286167), (76, 1015395), (95, 812316), (114, 676930), (139, 555180), (190, 406158), (228, 338465), (278, 277590), (285, 270772), (380, 203079), (417, 185060), (487, 158460), (556, 138795), (570, 135386), (695, 111036), (834, 92530), (974, 79230), (1140, 67693), (1390, 55518), (1461, 52820), (1668, 46265), (1948, 39615), (2085, 37012), (2435, 31692), (2641, 29220), (2780, 27759), (2922, 26410), (4170, 18506), (4870, 15846), (5282, 14610), (5844, 13205), (7305, 10564), (7923, 9740), (8340, 9253)]