255967740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3833}}^1$

素因数の和:3908

約数の個数: 144

約数和(自身を含む): 904333248

約数和(自身を除く): 648365508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 3180, 3339, 3710, 3833, 4452, 4770, 5565, 6678, 7420, 7666, 9540, 11130, 11499, 13356, 15332, 16695, 19165, 22260, 22998, 26831, 33390, 34497, 38330, 45996, 53662, 57495, 66780, 68994, 76660, 80493, 107324, 114990, 134155, 137988, 160986, 172485, 203149, 229980, 241479, 268310, 321972, 344970, 402465, 406298, 482958, 536620, 609447, 689940, 804930, 812596, 965916, 1015745, 1207395, 1218894, 1422043, 1609860, 1828341, 2031490, 2414790, 2437788, 2844086, 3047235, 3656682, 4062980, 4266129, 4829580, 5688172, 6094470, 7110215, 7313364, 8532258, 9141705, 12188940, 12798387, 14220430, 17064516, 18283410, 21330645, 25596774, 28440860, 36566820, 42661290, 51193548, 63991935, 85322580, 127983870, 255967740]

約数ペア:

[(1, 255967740), (2, 127983870), (3, 85322580), (4, 63991935), (5, 51193548), (6, 42661290), (7, 36566820), (9, 28440860), (10, 25596774), (12, 21330645), (14, 18283410), (15, 17064516), (18, 14220430), (20, 12798387), (21, 12188940), (28, 9141705), (30, 8532258), (35, 7313364), (36, 7110215), (42, 6094470), (45, 5688172), (53, 4829580), (60, 4266129), (63, 4062980), (70, 3656682), (84, 3047235), (90, 2844086), (105, 2437788), (106, 2414790), (126, 2031490), (140, 1828341), (159, 1609860), (180, 1422043), (210, 1218894), (212, 1207395), (252, 1015745), (265, 965916), (315, 812596), (318, 804930), (371, 689940), (420, 609447), (477, 536620), (530, 482958), (630, 406298), (636, 402465), (742, 344970), (795, 321972), (954, 268310), (1060, 241479), (1113, 229980), (1260, 203149), (1484, 172485), (1590, 160986), (1855, 137988), (1908, 134155), (2226, 114990), (2385, 107324), (3180, 80493), (3339, 76660), (3710, 68994), (3833, 66780), (4452, 57495), (4770, 53662), (5565, 45996), (6678, 38330), (7420, 34497), (7666, 33390), (9540, 26831), (11130, 22998), (11499, 22260), (13356, 19165), (15332, 16695)]