77881500

素因数分解:

$2^2\times 3^5\times 5^3\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 144

約数和(自身を含む): 255187296

約数和(自身を除く): 177305796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 243, 250, 270, 300, 324, 375, 405, 450, 486, 500, 540, 641, 675, 750, 810, 900, 972, 1125, 1215, 1282, 1350, 1500, 1620, 1923, 2025, 2250, 2430, 2564, 2700, 3205, 3375, 3846, 4050, 4500, 4860, 5769, 6075, 6410, 6750, 7692, 8100, 9615, 10125, 11538, 12150, 12820, 13500, 16025, 17307, 19230, 20250, 23076, 24300, 28845, 30375, 32050, 34614, 38460, 40500, 48075, 51921, 57690, 60750, 64100, 69228, 80125, 86535, 96150, 103842, 115380, 121500, 144225, 155763, 160250, 173070, 192300, 207684, 240375, 259605, 288450, 311526, 320500, 346140, 432675, 480750, 519210, 576900, 623052, 721125, 778815, 865350, 961500, 1038420, 1298025, 1442250, 1557630, 1730700, 2163375, 2596050, 2884500, 3115260, 3894075, 4326750, 5192100, 6490125, 7788150, 8653500, 12980250, 15576300, 19470375, 25960500, 38940750, 77881500]

約数ペア:

[(1, 77881500), (2, 38940750), (3, 25960500), (4, 19470375), (5, 15576300), (6, 12980250), (9, 8653500), (10, 7788150), (12, 6490125), (15, 5192100), (18, 4326750), (20, 3894075), (25, 3115260), (27, 2884500), (30, 2596050), (36, 2163375), (45, 1730700), (50, 1557630), (54, 1442250), (60, 1298025), (75, 1038420), (81, 961500), (90, 865350), (100, 778815), (108, 721125), (125, 623052), (135, 576900), (150, 519210), (162, 480750), (180, 432675), (225, 346140), (243, 320500), (250, 311526), (270, 288450), (300, 259605), (324, 240375), (375, 207684), (405, 192300), (450, 173070), (486, 160250), (500, 155763), (540, 144225), (641, 121500), (675, 115380), (750, 103842), (810, 96150), (900, 86535), (972, 80125), (1125, 69228), (1215, 64100), (1282, 60750), (1350, 57690), (1500, 51921), (1620, 48075), (1923, 40500), (2025, 38460), (2250, 34614), (2430, 32050), (2564, 30375), (2700, 28845), (3205, 24300), (3375, 23076), (3846, 20250), (4050, 19230), (4500, 17307), (4860, 16025), (5769, 13500), (6075, 12820), (6410, 12150), (6750, 11538), (7692, 10125), (8100, 9615)]