123496960

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2581

約数の個数: 80

約数和(自身を含む): 311810400

約数和(自身を除く): 188313440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2539, 2560, 3040, 4864, 5078, 6080, 9728, 10156, 12160, 12695, 20312, 24320, 25390, 40624, 48241, 48640, 50780, 81248, 96482, 101560, 162496, 192964, 203120, 241205, 324992, 385928, 406240, 482410, 649984, 771856, 812480, 964820, 1299968, 1543712, 1624960, 1929640, 3087424, 3249920, 3859280, 6174848, 6499840, 7718560, 12349696, 15437120, 24699392, 30874240, 61748480, 123496960]

約数ペア:

[(1, 123496960), (2, 61748480), (4, 30874240), (5, 24699392), (8, 15437120), (10, 12349696), (16, 7718560), (19, 6499840), (20, 6174848), (32, 3859280), (38, 3249920), (40, 3087424), (64, 1929640), (76, 1624960), (80, 1543712), (95, 1299968), (128, 964820), (152, 812480), (160, 771856), (190, 649984), (256, 482410), (304, 406240), (320, 385928), (380, 324992), (512, 241205), (608, 203120), (640, 192964), (760, 162496), (1216, 101560), (1280, 96482), (1520, 81248), (2432, 50780), (2539, 48640), (2560, 48241), (3040, 40624), (4864, 25390), (5078, 24320), (6080, 20312), (9728, 12695), (10156, 12160)]