17920760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 47828880

約数和(自身を除く): 29908120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 169, 220, 241, 260, 286, 338, 440, 482, 520, 572, 676, 715, 845, 964, 1144, 1205, 1352, 1430, 1690, 1859, 1928, 2410, 2651, 2860, 3133, 3380, 3718, 4820, 5302, 5720, 6266, 6760, 7436, 9295, 9640, 10604, 12532, 13255, 14872, 15665, 18590, 21208, 25064, 26510, 31330, 34463, 37180, 40729, 53020, 62660, 68926, 74360, 81458, 106040, 125320, 137852, 162916, 172315, 203645, 275704, 325832, 344630, 407290, 448019, 689260, 814580, 896038, 1378520, 1629160, 1792076, 2240095, 3584152, 4480190, 8960380, 17920760]

約数ペア:

[(1, 17920760), (2, 8960380), (4, 4480190), (5, 3584152), (8, 2240095), (10, 1792076), (11, 1629160), (13, 1378520), (20, 896038), (22, 814580), (26, 689260), (40, 448019), (44, 407290), (52, 344630), (55, 325832), (65, 275704), (88, 203645), (104, 172315), (110, 162916), (130, 137852), (143, 125320), (169, 106040), (220, 81458), (241, 74360), (260, 68926), (286, 62660), (338, 53020), (440, 40729), (482, 37180), (520, 34463), (572, 31330), (676, 26510), (715, 25064), (845, 21208), (964, 18590), (1144, 15665), (1205, 14872), (1352, 13255), (1430, 12532), (1690, 10604), (1859, 9640), (1928, 9295), (2410, 7436), (2651, 6760), (2860, 6266), (3133, 5720), (3380, 5302), (3718, 4820)]