831147200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1355

約数の個数: 168

約数和(自身を含む): 2275271040

約数和(自身を除く): 1444123840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 320, 325, 400, 403, 416, 496, 520, 620, 650, 775, 800, 806, 832, 992, 1040, 1240, 1289, 1300, 1550, 1600, 1612, 1984, 2015, 2080, 2480, 2578, 2600, 3100, 3224, 4030, 4160, 4960, 5156, 5200, 6200, 6445, 6448, 8060, 9920, 10075, 10312, 10400, 12400, 12890, 12896, 16120, 16757, 20150, 20624, 20800, 24800, 25780, 25792, 32225, 32240, 33514, 39959, 40300, 41248, 49600, 51560, 64450, 64480, 67028, 79918, 80600, 82496, 83785, 103120, 128900, 128960, 134056, 159836, 161200, 167570, 199795, 206240, 257800, 268112, 319672, 322400, 335140, 399590, 412480, 418925, 515600, 519467, 536224, 639344, 644800, 670280, 799180, 837850, 998975, 1031200, 1038934, 1072448, 1278688, 1340560, 1598360, 1675700, 1997950, 2062400, 2077868, 2557376, 2597335, 2681120, 3196720, 3351400, 3995900, 4155736, 5194670, 5362240, 6393440, 6702800, 7991800, 8311472, 10389340, 12786880, 12986675, 13405600, 15983600, 16622944, 20778680, 25973350, 26811200, 31967200, 33245888, 41557360, 51946700, 63934400, 83114720, 103893400, 166229440, 207786800, 415573600, 831147200]

約数ペア:

[(1, 831147200), (2, 415573600), (4, 207786800), (5, 166229440), (8, 103893400), (10, 83114720), (13, 63934400), (16, 51946700), (20, 41557360), (25, 33245888), (26, 31967200), (31, 26811200), (32, 25973350), (40, 20778680), (50, 16622944), (52, 15983600), (62, 13405600), (64, 12986675), (65, 12786880), (80, 10389340), (100, 8311472), (104, 7991800), (124, 6702800), (130, 6393440), (155, 5362240), (160, 5194670), (200, 4155736), (208, 3995900), (248, 3351400), (260, 3196720), (310, 2681120), (320, 2597335), (325, 2557376), (400, 2077868), (403, 2062400), (416, 1997950), (496, 1675700), (520, 1598360), (620, 1340560), (650, 1278688), (775, 1072448), (800, 1038934), (806, 1031200), (832, 998975), (992, 837850), (1040, 799180), (1240, 670280), (1289, 644800), (1300, 639344), (1550, 536224), (1600, 519467), (1612, 515600), (1984, 418925), (2015, 412480), (2080, 399590), (2480, 335140), (2578, 322400), (2600, 319672), (3100, 268112), (3224, 257800), (4030, 206240), (4160, 199795), (4960, 167570), (5156, 161200), (5200, 159836), (6200, 134056), (6445, 128960), (6448, 128900), (8060, 103120), (9920, 83785), (10075, 82496), (10312, 80600), (10400, 79918), (12400, 67028), (12890, 64480), (12896, 64450), (16120, 51560), (16757, 49600), (20150, 41248), (20624, 40300), (20800, 39959), (24800, 33514), (25780, 32240), (25792, 32225)]