140657920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 370863360

約数和(自身を除く): 230205440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 107, 128, 130, 158, 160, 208, 214, 256, 260, 316, 320, 395, 416, 428, 520, 535, 632, 640, 790, 832, 856, 1027, 1040, 1070, 1264, 1280, 1391, 1580, 1664, 1712, 2054, 2080, 2140, 2528, 2782, 3160, 3328, 3424, 4108, 4160, 4280, 5056, 5135, 5564, 6320, 6848, 6955, 8216, 8320, 8453, 8560, 10112, 10270, 11128, 12640, 13696, 13910, 16432, 16640, 16906, 17120, 20224, 20540, 22256, 25280, 27392, 27820, 32864, 33812, 34240, 41080, 42265, 44512, 50560, 55640, 65728, 67624, 68480, 82160, 84530, 89024, 101120, 109889, 111280, 131456, 135248, 136960, 164320, 169060, 178048, 219778, 222560, 262912, 270496, 328640, 338120, 356096, 439556, 445120, 540992, 549445, 657280, 676240, 879112, 890240, 1081984, 1098890, 1314560, 1352480, 1758224, 1780480, 2163968, 2197780, 2704960, 3516448, 4395560, 5409920, 7032896, 8791120, 10819840, 14065792, 17582240, 28131584, 35164480, 70328960, 140657920]

約数ペア:

[(1, 140657920), (2, 70328960), (4, 35164480), (5, 28131584), (8, 17582240), (10, 14065792), (13, 10819840), (16, 8791120), (20, 7032896), (26, 5409920), (32, 4395560), (40, 3516448), (52, 2704960), (64, 2197780), (65, 2163968), (79, 1780480), (80, 1758224), (104, 1352480), (107, 1314560), (128, 1098890), (130, 1081984), (158, 890240), (160, 879112), (208, 676240), (214, 657280), (256, 549445), (260, 540992), (316, 445120), (320, 439556), (395, 356096), (416, 338120), (428, 328640), (520, 270496), (535, 262912), (632, 222560), (640, 219778), (790, 178048), (832, 169060), (856, 164320), (1027, 136960), (1040, 135248), (1070, 131456), (1264, 111280), (1280, 109889), (1391, 101120), (1580, 89024), (1664, 84530), (1712, 82160), (2054, 68480), (2080, 67624), (2140, 65728), (2528, 55640), (2782, 50560), (3160, 44512), (3328, 42265), (3424, 41080), (4108, 34240), (4160, 33812), (4280, 32864), (5056, 27820), (5135, 27392), (5564, 25280), (6320, 22256), (6848, 20540), (6955, 20224), (8216, 17120), (8320, 16906), (8453, 16640), (8560, 16432), (10112, 13910), (10270, 13696), (11128, 12640)]