255727680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 224

約数和(自身を含む): 903963648

約数和(自身を除く): 648235968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 390, 403, 416, 465, 480, 496, 520, 620, 624, 661, 744, 780, 806, 832, 930, 960, 992, 1040, 1209, 1240, 1248, 1322, 1488, 1560, 1612, 1860, 1983, 1984, 2015, 2080, 2418, 2480, 2496, 2644, 2976, 3120, 3224, 3305, 3720, 3966, 4030, 4160, 4836, 4960, 5288, 5952, 6045, 6240, 6448, 6610, 7440, 7932, 8060, 8593, 9672, 9915, 9920, 10576, 12090, 12480, 12896, 13220, 14880, 15864, 16120, 17186, 19344, 19830, 20491, 21152, 24180, 25779, 25792, 26440, 29760, 31728, 32240, 34372, 38688, 39660, 40982, 42304, 42965, 48360, 51558, 52880, 61473, 63456, 64480, 68744, 77376, 79320, 81964, 85930, 96720, 102455, 103116, 105760, 122946, 126912, 128895, 128960, 137488, 158640, 163928, 171860, 193440, 204910, 206232, 211520, 245892, 257790, 266383, 274976, 307365, 317280, 327856, 343720, 386880, 409820, 412464, 491784, 515580, 532766, 549952, 614730, 634560, 655712, 687440, 799149, 819640, 824928, 983568, 1031160, 1065532, 1229460, 1311424, 1331915, 1374880, 1598298, 1639280, 1649856, 1967136, 2062320, 2131064, 2458920, 2663830, 2749760, 3196596, 3278560, 3934272, 3995745, 4124640, 4262128, 4917840, 5327660, 6393192, 6557120, 7991490, 8249280, 8524256, 9835680, 10655320, 12786384, 15982980, 17048512, 19671360, 21310640, 25572768, 31965960, 42621280, 51145536, 63931920, 85242560, 127863840, 255727680]

約数ペア:

[(1, 255727680), (2, 127863840), (3, 85242560), (4, 63931920), (5, 51145536), (6, 42621280), (8, 31965960), (10, 25572768), (12, 21310640), (13, 19671360), (15, 17048512), (16, 15982980), (20, 12786384), (24, 10655320), (26, 9835680), (30, 8524256), (31, 8249280), (32, 7991490), (39, 6557120), (40, 6393192), (48, 5327660), (52, 4917840), (60, 4262128), (62, 4124640), (64, 3995745), (65, 3934272), (78, 3278560), (80, 3196596), (93, 2749760), (96, 2663830), (104, 2458920), (120, 2131064), (124, 2062320), (130, 1967136), (155, 1649856), (156, 1639280), (160, 1598298), (186, 1374880), (192, 1331915), (195, 1311424), (208, 1229460), (240, 1065532), (248, 1031160), (260, 983568), (310, 824928), (312, 819640), (320, 799149), (372, 687440), (390, 655712), (403, 634560), (416, 614730), (465, 549952), (480, 532766), (496, 515580), (520, 491784), (620, 412464), (624, 409820), (661, 386880), (744, 343720), (780, 327856), (806, 317280), (832, 307365), (930, 274976), (960, 266383), (992, 257790), (1040, 245892), (1209, 211520), (1240, 206232), (1248, 204910), (1322, 193440), (1488, 171860), (1560, 163928), (1612, 158640), (1860, 137488), (1983, 128960), (1984, 128895), (2015, 126912), (2080, 122946), (2418, 105760), (2480, 103116), (2496, 102455), (2644, 96720), (2976, 85930), (3120, 81964), (3224, 79320), (3305, 77376), (3720, 68744), (3966, 64480), (4030, 63456), (4160, 61473), (4836, 52880), (4960, 51558), (5288, 48360), (5952, 42965), (6045, 42304), (6240, 40982), (6448, 39660), (6610, 38688), (7440, 34372), (7932, 32240), (8060, 31728), (8593, 29760), (9672, 26440), (9915, 25792), (9920, 25779), (10576, 24180), (12090, 21152), (12480, 20491), (12896, 19830), (13220, 19344), (14880, 17186), (15864, 16120)]