1255404800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 216

約数和(自身を含む): 3406448640

約数和(自身を除く): 2151043840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 79, 80, 100, 104, 128, 130, 158, 160, 191, 200, 208, 256, 260, 316, 320, 325, 382, 395, 400, 416, 520, 632, 640, 650, 764, 790, 800, 832, 955, 1027, 1040, 1264, 1280, 1300, 1528, 1580, 1600, 1664, 1910, 1975, 2054, 2080, 2483, 2528, 2600, 3056, 3160, 3200, 3328, 3820, 3950, 4108, 4160, 4775, 4966, 5056, 5135, 5200, 6112, 6320, 6400, 7640, 7900, 8216, 8320, 9550, 9932, 10112, 10270, 10400, 12224, 12415, 12640, 15089, 15280, 15800, 16432, 16640, 19100, 19864, 20224, 20540, 20800, 24448, 24830, 25280, 25675, 30178, 30560, 31600, 32864, 38200, 39728, 41080, 41600, 48896, 49660, 50560, 51350, 60356, 61120, 62075, 63200, 65728, 75445, 76400, 79456, 82160, 83200, 99320, 101120, 102700, 120712, 122240, 124150, 126400, 131456, 150890, 152800, 158912, 164320, 196157, 198640, 205400, 241424, 244480, 248300, 252800, 262912, 301780, 305600, 317824, 328640, 377225, 392314, 397280, 410800, 482848, 496600, 505600, 603560, 611200, 635648, 657280, 754450, 784628, 794560, 821600, 965696, 980785, 993200, 1207120, 1222400, 1314560, 1508900, 1569256, 1589120, 1643200, 1931392, 1961570, 1986400, 2414240, 3017800, 3138512, 3178240, 3286400, 3862784, 3923140, 3972800, 4828480, 4903925, 6035600, 6277024, 6572800, 7846280, 7945600, 9656960, 9807850, 12071200, 12554048, 15692560, 15891200, 19313920, 19615700, 24142400, 25108096, 31385120, 39231400, 48284800, 50216192, 62770240, 78462800, 96569600, 125540480, 156925600, 251080960, 313851200, 627702400, 1255404800]

約数ペア:

[(1, 1255404800), (2, 627702400), (4, 313851200), (5, 251080960), (8, 156925600), (10, 125540480), (13, 96569600), (16, 78462800), (20, 62770240), (25, 50216192), (26, 48284800), (32, 39231400), (40, 31385120), (50, 25108096), (52, 24142400), (64, 19615700), (65, 19313920), (79, 15891200), (80, 15692560), (100, 12554048), (104, 12071200), (128, 9807850), (130, 9656960), (158, 7945600), (160, 7846280), (191, 6572800), (200, 6277024), (208, 6035600), (256, 4903925), (260, 4828480), (316, 3972800), (320, 3923140), (325, 3862784), (382, 3286400), (395, 3178240), (400, 3138512), (416, 3017800), (520, 2414240), (632, 1986400), (640, 1961570), (650, 1931392), (764, 1643200), (790, 1589120), (800, 1569256), (832, 1508900), (955, 1314560), (1027, 1222400), (1040, 1207120), (1264, 993200), (1280, 980785), (1300, 965696), (1528, 821600), (1580, 794560), (1600, 784628), (1664, 754450), (1910, 657280), (1975, 635648), (2054, 611200), (2080, 603560), (2483, 505600), (2528, 496600), (2600, 482848), (3056, 410800), (3160, 397280), (3200, 392314), (3328, 377225), (3820, 328640), (3950, 317824), (4108, 305600), (4160, 301780), (4775, 262912), (4966, 252800), (5056, 248300), (5135, 244480), (5200, 241424), (6112, 205400), (6320, 198640), (6400, 196157), (7640, 164320), (7900, 158912), (8216, 152800), (8320, 150890), (9550, 131456), (9932, 126400), (10112, 124150), (10270, 122240), (10400, 120712), (12224, 102700), (12415, 101120), (12640, 99320), (15089, 83200), (15280, 82160), (15800, 79456), (16432, 76400), (16640, 75445), (19100, 65728), (19864, 63200), (20224, 62075), (20540, 61120), (20800, 60356), (24448, 51350), (24830, 50560), (25280, 49660), (25675, 48896), (30178, 41600), (30560, 41080), (31600, 39728), (32864, 38200)]