1780717120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61151}}^1$

素因数の和:61188

約数の個数: 112

約数和(自身を含む): 5218956288

約数和(自身を除く): 3438239168

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 14560, 29120, 61151, 122302, 244604, 305755, 428057, 489208, 611510, 794963, 856114, 978416, 1223020, 1589926, 1712228, 1956832, 2140285, 2446040, 3179852, 3424456, 3913664, 3974815, 4280570, 4892080, 5564741, 6359704, 6848912, 7949630, 8561140, 9784160, 11129482, 12719408, 13697824, 15899260, 17122280, 19568320, 22258964, 25438816, 27395648, 27823705, 31798520, 34244560, 44517928, 50877632, 55647410, 63597040, 68489120, 89035856, 111294820, 127194080, 136978240, 178071712, 222589640, 254388160, 356143424, 445179280, 890358560, 1780717120]

約数ペア:

[(1, 1780717120), (2, 890358560), (4, 445179280), (5, 356143424), (7, 254388160), (8, 222589640), (10, 178071712), (13, 136978240), (14, 127194080), (16, 111294820), (20, 89035856), (26, 68489120), (28, 63597040), (32, 55647410), (35, 50877632), (40, 44517928), (52, 34244560), (56, 31798520), (64, 27823705), (65, 27395648), (70, 25438816), (80, 22258964), (91, 19568320), (104, 17122280), (112, 15899260), (130, 13697824), (140, 12719408), (160, 11129482), (182, 9784160), (208, 8561140), (224, 7949630), (260, 6848912), (280, 6359704), (320, 5564741), (364, 4892080), (416, 4280570), (448, 3974815), (455, 3913664), (520, 3424456), (560, 3179852), (728, 2446040), (832, 2140285), (910, 1956832), (1040, 1712228), (1120, 1589926), (1456, 1223020), (1820, 978416), (2080, 856114), (2240, 794963), (2912, 611510), (3640, 489208), (4160, 428057), (5824, 305755), (7280, 244604), (14560, 122302), (29120, 61151)]