77612880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{977}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 241573824

約数和(自身を除く): 163960944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 977, 993, 1324, 1655, 1954, 1986, 2648, 2931, 3310, 3908, 3972, 4885, 4965, 5296, 5862, 6620, 7816, 7944, 9770, 9930, 11724, 13240, 14655, 15632, 15888, 19540, 19860, 23448, 26480, 29310, 39080, 39720, 46896, 58620, 78160, 79440, 117240, 234480, 323387, 646774, 970161, 1293548, 1616935, 1940322, 2587096, 3233870, 3880644, 4850805, 5174192, 6467740, 7761288, 9701610, 12935480, 15522576, 19403220, 25870960, 38806440, 77612880]

約数ペア:

[(1, 77612880), (2, 38806440), (3, 25870960), (4, 19403220), (5, 15522576), (6, 12935480), (8, 9701610), (10, 7761288), (12, 6467740), (15, 5174192), (16, 4850805), (20, 3880644), (24, 3233870), (30, 2587096), (40, 1940322), (48, 1616935), (60, 1293548), (80, 970161), (120, 646774), (240, 323387), (331, 234480), (662, 117240), (977, 79440), (993, 78160), (1324, 58620), (1655, 46896), (1954, 39720), (1986, 39080), (2648, 29310), (2931, 26480), (3310, 23448), (3908, 19860), (3972, 19540), (4885, 15888), (4965, 15632), (5296, 14655), (5862, 13240), (6620, 11724), (7816, 9930), (7944, 9770)]