840821280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1219

約数の個数: 192

約数和(自身を含む): 2877493248

約数和(自身を除く): 2036671968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 127, 130, 156, 160, 195, 208, 240, 254, 260, 312, 381, 390, 416, 480, 508, 520, 624, 635, 762, 780, 1016, 1040, 1061, 1248, 1270, 1524, 1560, 1651, 1905, 2032, 2080, 2122, 2540, 3048, 3120, 3183, 3302, 3810, 4064, 4244, 4953, 5080, 5305, 6096, 6240, 6366, 6604, 7620, 8255, 8488, 9906, 10160, 10610, 12192, 12732, 13208, 13793, 15240, 15915, 16510, 16976, 19812, 20320, 21220, 24765, 25464, 26416, 27586, 30480, 31830, 33020, 33952, 39624, 41379, 42440, 49530, 50928, 52832, 55172, 60960, 63660, 66040, 68965, 79248, 82758, 84880, 99060, 101856, 110344, 127320, 132080, 134747, 137930, 158496, 165516, 169760, 198120, 206895, 220688, 254640, 264160, 269494, 275860, 331032, 396240, 404241, 413790, 441376, 509280, 538988, 551720, 662064, 673735, 792480, 808482, 827580, 1077976, 1103440, 1324128, 1347470, 1616964, 1655160, 1751711, 2021205, 2155952, 2206880, 2694940, 3233928, 3310320, 3503422, 4042410, 4311904, 5255133, 5389880, 6467856, 6620640, 7006844, 8084820, 8758555, 10510266, 10779760, 12935712, 14013688, 16169640, 17517110, 21020532, 21559520, 26275665, 28027376, 32339280, 35034220, 42041064, 52551330, 56054752, 64678560, 70068440, 84082128, 105102660, 140136880, 168164256, 210205320, 280273760, 420410640, 840821280]

約数ペア:

[(1, 840821280), (2, 420410640), (3, 280273760), (4, 210205320), (5, 168164256), (6, 140136880), (8, 105102660), (10, 84082128), (12, 70068440), (13, 64678560), (15, 56054752), (16, 52551330), (20, 42041064), (24, 35034220), (26, 32339280), (30, 28027376), (32, 26275665), (39, 21559520), (40, 21020532), (48, 17517110), (52, 16169640), (60, 14013688), (65, 12935712), (78, 10779760), (80, 10510266), (96, 8758555), (104, 8084820), (120, 7006844), (127, 6620640), (130, 6467856), (156, 5389880), (160, 5255133), (195, 4311904), (208, 4042410), (240, 3503422), (254, 3310320), (260, 3233928), (312, 2694940), (381, 2206880), (390, 2155952), (416, 2021205), (480, 1751711), (508, 1655160), (520, 1616964), (624, 1347470), (635, 1324128), (762, 1103440), (780, 1077976), (1016, 827580), (1040, 808482), (1061, 792480), (1248, 673735), (1270, 662064), (1524, 551720), (1560, 538988), (1651, 509280), (1905, 441376), (2032, 413790), (2080, 404241), (2122, 396240), (2540, 331032), (3048, 275860), (3120, 269494), (3183, 264160), (3302, 254640), (3810, 220688), (4064, 206895), (4244, 198120), (4953, 169760), (5080, 165516), (5305, 158496), (6096, 137930), (6240, 134747), (6366, 132080), (6604, 127320), (7620, 110344), (8255, 101856), (8488, 99060), (9906, 84880), (10160, 82758), (10610, 79248), (12192, 68965), (12732, 66040), (13208, 63660), (13793, 60960), (15240, 55172), (15915, 52832), (16510, 50928), (16976, 49530), (19812, 42440), (20320, 41379), (21220, 39624), (24765, 33952), (25464, 33020), (26416, 31830), (27586, 30480)]