1279387515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 2577530880

約数和(自身を除く): 1298143365

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 57, 93, 95, 105, 133, 137, 151, 155, 217, 285, 399, 411, 453, 465, 589, 651, 665, 685, 755, 959, 1057, 1085, 1767, 1995, 2055, 2265, 2603, 2869, 2877, 2945, 3171, 3255, 4123, 4247, 4681, 4795, 5285, 7809, 8607, 8835, 12369, 12741, 13015, 14043, 14345, 14385, 15855, 18221, 20083, 20615, 20687, 21235, 23405, 29729, 32767, 39045, 43035, 54663, 60249, 61845, 62061, 63705, 70215, 80693, 88939, 89187, 91105, 98301, 100415, 103435, 144809, 148645, 163835, 242079, 266817, 273315, 301245, 310305, 393053, 403465, 434427, 444695, 445935, 491505, 564851, 622573, 641297, 724045, 1179159, 1210395, 1334085, 1694553, 1867719, 1923891, 1965265, 2172135, 2751371, 2824255, 3112865, 3206485, 4489079, 5895795, 8254113, 8472765, 9338595, 9619455, 12184643, 13467237, 13756855, 22445395, 36553929, 41270565, 60923215, 67336185, 85292501, 182769645, 255877503, 426462505, 1279387515]

約数ペア:

[(1, 1279387515), (3, 426462505), (5, 255877503), (7, 182769645), (15, 85292501), (19, 67336185), (21, 60923215), (31, 41270565), (35, 36553929), (57, 22445395), (93, 13756855), (95, 13467237), (105, 12184643), (133, 9619455), (137, 9338595), (151, 8472765), (155, 8254113), (217, 5895795), (285, 4489079), (399, 3206485), (411, 3112865), (453, 2824255), (465, 2751371), (589, 2172135), (651, 1965265), (665, 1923891), (685, 1867719), (755, 1694553), (959, 1334085), (1057, 1210395), (1085, 1179159), (1767, 724045), (1995, 641297), (2055, 622573), (2265, 564851), (2603, 491505), (2869, 445935), (2877, 444695), (2945, 434427), (3171, 403465), (3255, 393053), (4123, 310305), (4247, 301245), (4681, 273315), (4795, 266817), (5285, 242079), (7809, 163835), (8607, 148645), (8835, 144809), (12369, 103435), (12741, 100415), (13015, 98301), (14043, 91105), (14345, 89187), (14385, 88939), (15855, 80693), (18221, 70215), (20083, 63705), (20615, 62061), (20687, 61845), (21235, 60249), (23405, 54663), (29729, 43035), (32767, 39045)]