39904800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1315

約数の個数: 144

約数和(自身を含む): 139991040

約数和(自身を除く): 100086240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 975, 1040, 1200, 1248, 1279, 1300, 1560, 1950, 2080, 2400, 2558, 2600, 3120, 3837, 3900, 5116, 5200, 6240, 6395, 7674, 7800, 10232, 10400, 12790, 15348, 15600, 16627, 19185, 20464, 25580, 30696, 31200, 31975, 33254, 38370, 40928, 49881, 51160, 61392, 63950, 66508, 76740, 83135, 95925, 99762, 102320, 122784, 127900, 133016, 153480, 166270, 191850, 199524, 204640, 249405, 255800, 266032, 306960, 332540, 383700, 399048, 415675, 498810, 511600, 532064, 613920, 665080, 767400, 798096, 831350, 997620, 1023200, 1247025, 1330160, 1534800, 1596192, 1662700, 1995240, 2494050, 2660320, 3069600, 3325400, 3990480, 4988100, 6650800, 7980960, 9976200, 13301600, 19952400, 39904800]

約数ペア:

[(1, 39904800), (2, 19952400), (3, 13301600), (4, 9976200), (5, 7980960), (6, 6650800), (8, 4988100), (10, 3990480), (12, 3325400), (13, 3069600), (15, 2660320), (16, 2494050), (20, 1995240), (24, 1662700), (25, 1596192), (26, 1534800), (30, 1330160), (32, 1247025), (39, 1023200), (40, 997620), (48, 831350), (50, 798096), (52, 767400), (60, 665080), (65, 613920), (75, 532064), (78, 511600), (80, 498810), (96, 415675), (100, 399048), (104, 383700), (120, 332540), (130, 306960), (150, 266032), (156, 255800), (160, 249405), (195, 204640), (200, 199524), (208, 191850), (240, 166270), (260, 153480), (300, 133016), (312, 127900), (325, 122784), (390, 102320), (400, 99762), (416, 95925), (480, 83135), (520, 76740), (600, 66508), (624, 63950), (650, 61392), (780, 51160), (800, 49881), (975, 40928), (1040, 38370), (1200, 33254), (1248, 31975), (1279, 31200), (1300, 30696), (1560, 25580), (1950, 20464), (2080, 19185), (2400, 16627), (2558, 15600), (2600, 15348), (3120, 12790), (3837, 10400), (3900, 10232), (5116, 7800), (5200, 7674), (6240, 6395)]