81109600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:753

約数の個数: 144

約数和(自身を含む): 232953840

約数和(自身を除く): 151844240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 160, 176, 200, 208, 220, 260, 275, 286, 325, 352, 400, 416, 440, 520, 550, 572, 650, 709, 715, 800, 880, 1040, 1100, 1144, 1300, 1418, 1430, 1760, 2080, 2200, 2288, 2600, 2836, 2860, 3545, 3575, 4400, 4576, 5200, 5672, 5720, 7090, 7150, 7799, 8800, 9217, 10400, 11344, 11440, 14180, 14300, 15598, 17725, 18434, 22688, 22880, 28360, 28600, 31196, 35450, 36868, 38995, 46085, 56720, 57200, 62392, 70900, 73736, 77990, 92170, 101387, 113440, 114400, 124784, 141800, 147472, 155980, 184340, 194975, 202774, 230425, 249568, 283600, 294944, 311960, 368680, 389950, 405548, 460850, 506935, 567200, 623920, 737360, 779900, 811096, 921700, 1013870, 1247840, 1474720, 1559800, 1622192, 1843400, 2027740, 2534675, 3119600, 3244384, 3686800, 4055480, 5069350, 6239200, 7373600, 8110960, 10138700, 16221920, 20277400, 40554800, 81109600]

約数ペア:

[(1, 81109600), (2, 40554800), (4, 20277400), (5, 16221920), (8, 10138700), (10, 8110960), (11, 7373600), (13, 6239200), (16, 5069350), (20, 4055480), (22, 3686800), (25, 3244384), (26, 3119600), (32, 2534675), (40, 2027740), (44, 1843400), (50, 1622192), (52, 1559800), (55, 1474720), (65, 1247840), (80, 1013870), (88, 921700), (100, 811096), (104, 779900), (110, 737360), (130, 623920), (143, 567200), (160, 506935), (176, 460850), (200, 405548), (208, 389950), (220, 368680), (260, 311960), (275, 294944), (286, 283600), (325, 249568), (352, 230425), (400, 202774), (416, 194975), (440, 184340), (520, 155980), (550, 147472), (572, 141800), (650, 124784), (709, 114400), (715, 113440), (800, 101387), (880, 92170), (1040, 77990), (1100, 73736), (1144, 70900), (1300, 62392), (1418, 57200), (1430, 56720), (1760, 46085), (2080, 38995), (2200, 36868), (2288, 35450), (2600, 31196), (2836, 28600), (2860, 28360), (3545, 22880), (3575, 22688), (4400, 18434), (4576, 17725), (5200, 15598), (5672, 14300), (5720, 14180), (7090, 11440), (7150, 11344), (7799, 10400), (8800, 9217)]