81052400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 180

約数和(自身を含む): 232139160

約数和(自身を除く): 151086760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 109, 110, 130, 143, 169, 176, 200, 208, 218, 220, 260, 275, 286, 325, 338, 400, 436, 440, 520, 545, 550, 572, 650, 676, 715, 845, 872, 880, 1040, 1090, 1100, 1144, 1199, 1300, 1352, 1417, 1430, 1690, 1744, 1859, 2180, 2200, 2288, 2398, 2600, 2704, 2725, 2834, 2860, 3380, 3575, 3718, 4225, 4360, 4400, 4796, 5200, 5450, 5668, 5720, 5995, 6760, 7085, 7150, 7436, 8450, 8720, 9295, 9592, 10900, 11336, 11440, 11990, 13520, 14170, 14300, 14872, 15587, 16900, 18421, 18590, 19184, 21800, 22672, 23980, 28340, 28600, 29744, 29975, 31174, 33800, 35425, 36842, 37180, 43600, 46475, 47960, 56680, 57200, 59950, 62348, 67600, 70850, 73684, 74360, 77935, 92105, 92950, 95920, 113360, 119900, 124696, 141700, 147368, 148720, 155870, 184210, 185900, 202631, 239800, 249392, 283400, 294736, 311740, 368420, 371800, 389675, 405262, 460525, 479600, 566800, 623480, 736840, 743600, 779350, 810524, 921050, 1013155, 1246960, 1473680, 1558700, 1621048, 1842100, 2026310, 3117400, 3242096, 3684200, 4052620, 5065775, 6234800, 7368400, 8105240, 10131550, 16210480, 20263100, 40526200, 81052400]

約数ペア:

[(1, 81052400), (2, 40526200), (4, 20263100), (5, 16210480), (8, 10131550), (10, 8105240), (11, 7368400), (13, 6234800), (16, 5065775), (20, 4052620), (22, 3684200), (25, 3242096), (26, 3117400), (40, 2026310), (44, 1842100), (50, 1621048), (52, 1558700), (55, 1473680), (65, 1246960), (80, 1013155), (88, 921050), (100, 810524), (104, 779350), (109, 743600), (110, 736840), (130, 623480), (143, 566800), (169, 479600), (176, 460525), (200, 405262), (208, 389675), (218, 371800), (220, 368420), (260, 311740), (275, 294736), (286, 283400), (325, 249392), (338, 239800), (400, 202631), (436, 185900), (440, 184210), (520, 155870), (545, 148720), (550, 147368), (572, 141700), (650, 124696), (676, 119900), (715, 113360), (845, 95920), (872, 92950), (880, 92105), (1040, 77935), (1090, 74360), (1100, 73684), (1144, 70850), (1199, 67600), (1300, 62348), (1352, 59950), (1417, 57200), (1430, 56680), (1690, 47960), (1744, 46475), (1859, 43600), (2180, 37180), (2200, 36842), (2288, 35425), (2398, 33800), (2600, 31174), (2704, 29975), (2725, 29744), (2834, 28600), (2860, 28340), (3380, 23980), (3575, 22672), (3718, 21800), (4225, 19184), (4360, 18590), (4400, 18421), (4796, 16900), (5200, 15587), (5450, 14872), (5668, 14300), (5720, 14170), (5995, 13520), (6760, 11990), (7085, 11440), (7150, 11336), (7436, 10900), (8450, 9592), (8720, 9295)]