324089600

素因数分解:

$2^8\times 5^2\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:746

約数の個数: 108

約数和(自身を含む): 813593760

約数和(自身を除く): 489504160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 200, 256, 316, 320, 395, 400, 632, 640, 641, 790, 800, 1264, 1280, 1282, 1580, 1600, 1975, 2528, 2564, 3160, 3200, 3205, 3950, 5056, 5128, 6320, 6400, 6410, 7900, 10112, 10256, 12640, 12820, 15800, 16025, 20224, 20512, 25280, 25640, 31600, 32050, 41024, 50560, 50639, 51280, 63200, 64100, 82048, 101120, 101278, 102560, 126400, 128200, 164096, 202556, 205120, 252800, 253195, 256400, 405112, 410240, 505600, 506390, 512800, 810224, 820480, 1012780, 1025600, 1265975, 1620448, 2025560, 2051200, 2531950, 3240896, 4051120, 4102400, 5063900, 6481792, 8102240, 10127800, 12963584, 16204480, 20255600, 32408960, 40511200, 64817920, 81022400, 162044800, 324089600]

約数ペア:

[(1, 324089600), (2, 162044800), (4, 81022400), (5, 64817920), (8, 40511200), (10, 32408960), (16, 20255600), (20, 16204480), (25, 12963584), (32, 10127800), (40, 8102240), (50, 6481792), (64, 5063900), (79, 4102400), (80, 4051120), (100, 3240896), (128, 2531950), (158, 2051200), (160, 2025560), (200, 1620448), (256, 1265975), (316, 1025600), (320, 1012780), (395, 820480), (400, 810224), (632, 512800), (640, 506390), (641, 505600), (790, 410240), (800, 405112), (1264, 256400), (1280, 253195), (1282, 252800), (1580, 205120), (1600, 202556), (1975, 164096), (2528, 128200), (2564, 126400), (3160, 102560), (3200, 101278), (3205, 101120), (3950, 82048), (5056, 64100), (5128, 63200), (6320, 51280), (6400, 50639), (6410, 50560), (7900, 41024), (10112, 32050), (10256, 31600), (12640, 25640), (12820, 25280), (15800, 20512), (16025, 20224)]