19952400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1313

約数の個数: 120

約数和(自身を含む): 68884480

約数和(自身を除く): 48932080

約数列:

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

約数ペア:

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