1261231920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1220

約数の個数: 240

約数和(自身を含む): 4601705472

約数和(自身を除く): 3340473552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 127, 130, 144, 156, 180, 195, 208, 234, 240, 254, 260, 312, 360, 381, 390, 468, 508, 520, 585, 624, 635, 720, 762, 780, 936, 1016, 1040, 1061, 1143, 1170, 1270, 1524, 1560, 1651, 1872, 1905, 2032, 2122, 2286, 2340, 2540, 3048, 3120, 3183, 3302, 3810, 4244, 4572, 4680, 4953, 5080, 5305, 5715, 6096, 6366, 6604, 7620, 8255, 8488, 9144, 9360, 9549, 9906, 10160, 10610, 11430, 12732, 13208, 13793, 14859, 15240, 15915, 16510, 16976, 18288, 19098, 19812, 21220, 22860, 24765, 25464, 26416, 27586, 29718, 30480, 31830, 33020, 38196, 39624, 41379, 42440, 45720, 47745, 49530, 50928, 55172, 59436, 63660, 66040, 68965, 74295, 76392, 79248, 82758, 84880, 91440, 95490, 99060, 110344, 118872, 124137, 127320, 132080, 134747, 137930, 148590, 152784, 165516, 190980, 198120, 206895, 220688, 237744, 248274, 254640, 269494, 275860, 297180, 331032, 381960, 396240, 404241, 413790, 496548, 538988, 551720, 594360, 620685, 662064, 673735, 763920, 808482, 827580, 993096, 1077976, 1103440, 1188720, 1212723, 1241370, 1347470, 1616964, 1655160, 1751711, 1986192, 2021205, 2155952, 2425446, 2482740, 2694940, 3233928, 3310320, 3503422, 4042410, 4850892, 4965480, 5255133, 5389880, 6063615, 6467856, 7006844, 8084820, 8758555, 9701784, 9930960, 10510266, 10779760, 12127230, 14013688, 15765399, 16169640, 17517110, 19403568, 21020532, 24254460, 26275665, 28027376, 31530798, 32339280, 35034220, 42041064, 48508920, 52551330, 63061596, 70068440, 78826995, 84082128, 97017840, 105102660, 126123192, 140136880, 157653990, 210205320, 252246384, 315307980, 420410640, 630615960, 1261231920]

約数ペア:

[(1, 1261231920), (2, 630615960), (3, 420410640), (4, 315307980), (5, 252246384), (6, 210205320), (8, 157653990), (9, 140136880), (10, 126123192), (12, 105102660), (13, 97017840), (15, 84082128), (16, 78826995), (18, 70068440), (20, 63061596), (24, 52551330), (26, 48508920), (30, 42041064), (36, 35034220), (39, 32339280), (40, 31530798), (45, 28027376), (48, 26275665), (52, 24254460), (60, 21020532), (65, 19403568), (72, 17517110), (78, 16169640), (80, 15765399), (90, 14013688), (104, 12127230), (117, 10779760), (120, 10510266), (127, 9930960), (130, 9701784), (144, 8758555), (156, 8084820), (180, 7006844), (195, 6467856), (208, 6063615), (234, 5389880), (240, 5255133), (254, 4965480), (260, 4850892), (312, 4042410), (360, 3503422), (381, 3310320), (390, 3233928), (468, 2694940), (508, 2482740), (520, 2425446), (585, 2155952), (624, 2021205), (635, 1986192), (720, 1751711), (762, 1655160), (780, 1616964), (936, 1347470), (1016, 1241370), (1040, 1212723), (1061, 1188720), (1143, 1103440), (1170, 1077976), (1270, 993096), (1524, 827580), (1560, 808482), (1651, 763920), (1872, 673735), (1905, 662064), (2032, 620685), (2122, 594360), (2286, 551720), (2340, 538988), (2540, 496548), (3048, 413790), (3120, 404241), (3183, 396240), (3302, 381960), (3810, 331032), (4244, 297180), (4572, 275860), (4680, 269494), (4953, 254640), (5080, 248274), (5305, 237744), (5715, 220688), (6096, 206895), (6366, 198120), (6604, 190980), (7620, 165516), (8255, 152784), (8488, 148590), (9144, 137930), (9360, 134747), (9549, 132080), (9906, 127320), (10160, 124137), (10610, 118872), (11430, 110344), (12732, 99060), (13208, 95490), (13793, 91440), (14859, 84880), (15240, 82758), (15915, 79248), (16510, 76392), (16976, 74295), (18288, 68965), (19098, 66040), (19812, 63660), (21220, 59436), (22860, 55172), (24765, 50928), (25464, 49530), (26416, 47745), (27586, 45720), (29718, 42440), (30480, 41379), (31830, 39624), (33020, 38196)]