391007680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1009}}^1$

素因数の和:1206

約数の個数: 112

約数和(自身を含む): 1071311040

約数和(自身を除く): 680303360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 173, 224, 280, 320, 346, 448, 560, 692, 865, 1009, 1120, 1211, 1384, 1730, 2018, 2240, 2422, 2768, 3460, 4036, 4844, 5045, 5536, 6055, 6920, 7063, 8072, 9688, 10090, 11072, 12110, 13840, 14126, 16144, 19376, 20180, 24220, 27680, 28252, 32288, 35315, 38752, 40360, 48440, 55360, 56504, 64576, 70630, 77504, 80720, 96880, 113008, 141260, 161440, 174557, 193760, 226016, 282520, 322880, 349114, 387520, 452032, 565040, 698228, 872785, 1130080, 1221899, 1396456, 1745570, 2260160, 2443798, 2792912, 3491140, 4887596, 5585824, 6109495, 6982280, 9775192, 11171648, 12218990, 13964560, 19550384, 24437980, 27929120, 39100768, 48875960, 55858240, 78201536, 97751920, 195503840, 391007680]

約数ペア:

[(1, 391007680), (2, 195503840), (4, 97751920), (5, 78201536), (7, 55858240), (8, 48875960), (10, 39100768), (14, 27929120), (16, 24437980), (20, 19550384), (28, 13964560), (32, 12218990), (35, 11171648), (40, 9775192), (56, 6982280), (64, 6109495), (70, 5585824), (80, 4887596), (112, 3491140), (140, 2792912), (160, 2443798), (173, 2260160), (224, 1745570), (280, 1396456), (320, 1221899), (346, 1130080), (448, 872785), (560, 698228), (692, 565040), (865, 452032), (1009, 387520), (1120, 349114), (1211, 322880), (1384, 282520), (1730, 226016), (2018, 193760), (2240, 174557), (2422, 161440), (2768, 141260), (3460, 113008), (4036, 96880), (4844, 80720), (5045, 77504), (5536, 70630), (6055, 64576), (6920, 56504), (7063, 55360), (8072, 48440), (9688, 40360), (10090, 38752), (11072, 35315), (12110, 32288), (13840, 28252), (14126, 27680), (16144, 24220), (19376, 20180)]