268881920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:739

約数の個数: 104

約数和(自身を含む): 680180640

約数和(自身を除く): 411298720

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, 691, 760, 1024, 1216, 1280, 1382, 1520, 2048, 2432, 2560, 2764, 3040, 3455, 4096, 4864, 5120, 5528, 6080, 6910, 9728, 10240, 11056, 12160, 13129, 13820, 19456, 20480, 22112, 24320, 26258, 27640, 38912, 44224, 48640, 52516, 55280, 65645, 77824, 88448, 97280, 105032, 110560, 131290, 176896, 194560, 210064, 221120, 262580, 353792, 389120, 420128, 442240, 525160, 707584, 840256, 884480, 1050320, 1415168, 1680512, 1768960, 2100640, 2830336, 3361024, 3537920, 4201280, 6722048, 7075840, 8402560, 13444096, 14151680, 16805120, 26888192, 33610240, 53776384, 67220480, 134440960, 268881920]

約数ペア:

[(1, 268881920), (2, 134440960), (4, 67220480), (5, 53776384), (8, 33610240), (10, 26888192), (16, 16805120), (19, 14151680), (20, 13444096), (32, 8402560), (38, 7075840), (40, 6722048), (64, 4201280), (76, 3537920), (80, 3361024), (95, 2830336), (128, 2100640), (152, 1768960), (160, 1680512), (190, 1415168), (256, 1050320), (304, 884480), (320, 840256), (380, 707584), (512, 525160), (608, 442240), (640, 420128), (691, 389120), (760, 353792), (1024, 262580), (1216, 221120), (1280, 210064), (1382, 194560), (1520, 176896), (2048, 131290), (2432, 110560), (2560, 105032), (2764, 97280), (3040, 88448), (3455, 77824), (4096, 65645), (4864, 55280), (5120, 52516), (5528, 48640), (6080, 44224), (6910, 38912), (9728, 27640), (10240, 26258), (11056, 24320), (12160, 22112), (13129, 20480), (13820, 19456)]