815805280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2657}}^1$

素因数の和:2792

約数の個数: 96

約数和(自身を含む): 2049636960

約数和(自身を除く): 1233831680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 101, 152, 160, 190, 202, 304, 380, 404, 505, 608, 760, 808, 1010, 1520, 1616, 1919, 2020, 2657, 3040, 3232, 3838, 4040, 5314, 7676, 8080, 9595, 10628, 13285, 15352, 16160, 19190, 21256, 26570, 30704, 38380, 42512, 50483, 53140, 61408, 76760, 85024, 100966, 106280, 153520, 201932, 212560, 252415, 268357, 307040, 403864, 425120, 504830, 536714, 807728, 1009660, 1073428, 1341785, 1615456, 2019320, 2146856, 2683570, 4038640, 4293712, 5098783, 5367140, 8077280, 8587424, 10197566, 10734280, 20395132, 21468560, 25493915, 40790264, 42937120, 50987830, 81580528, 101975660, 163161056, 203951320, 407902640, 815805280]

約数ペア:

[(1, 815805280), (2, 407902640), (4, 203951320), (5, 163161056), (8, 101975660), (10, 81580528), (16, 50987830), (19, 42937120), (20, 40790264), (32, 25493915), (38, 21468560), (40, 20395132), (76, 10734280), (80, 10197566), (95, 8587424), (101, 8077280), (152, 5367140), (160, 5098783), (190, 4293712), (202, 4038640), (304, 2683570), (380, 2146856), (404, 2019320), (505, 1615456), (608, 1341785), (760, 1073428), (808, 1009660), (1010, 807728), (1520, 536714), (1616, 504830), (1919, 425120), (2020, 403864), (2657, 307040), (3040, 268357), (3232, 252415), (3838, 212560), (4040, 201932), (5314, 153520), (7676, 106280), (8080, 100966), (9595, 85024), (10628, 76760), (13285, 61408), (15352, 53140), (16160, 50483), (19190, 42512), (21256, 38380), (26570, 30704)]