21729702960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139079}}^1$

素因数の和:139136

約数の個数: 240

約数和(自身を含む): 86091632640

約数和(自身を除く): 64361929680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8680, 9765, 10416, 11160, 13020, 15624, 17360, 19530, 22320, 26040, 31248, 39060, 52080, 78120, 139079, 156240, 278158, 417237, 556316, 695395, 834474, 973553, 1112632, 1251711, 1390790, 1668948, 1947106, 2086185, 2225264, 2503422, 2781580, 2920659, 3337896, 3894212, 4172370, 4311449, 4867765, 5006844, 5563160, 5841318, 6258555, 6675792, 7788424, 8344740, 8622898, 8761977, 9735530, 10013688, 11126320, 11682636, 12517110, 12934347, 14603295, 15576848, 16689480, 17245796, 17523954, 19471060, 20027376, 21557245, 23365272, 25034220, 25868694, 29206590, 30180143, 33378960, 34491592, 35047908, 38803041, 38942120, 43114490, 43809885, 46730544, 50068440, 51737388, 58413180, 60360286, 64671735, 68983184, 70095816, 77606082, 77884240, 86228980, 87619770, 90540429, 100136880, 103474776, 116826360, 120720572, 129343470, 140191632, 150900715, 155212164, 172457960, 175239540, 181080858, 194015205, 206949552, 233652720, 241441144, 258686940, 271621287, 301801430, 310424328, 344915920, 350479080, 362161716, 388030410, 452702145, 482882288, 517373880, 543242574, 603602860, 620848656, 700958160, 724323432, 776060820, 905404290, 1034747760, 1086485148, 1207205720, 1358106435, 1448646864, 1552121640, 1810808580, 2172970296, 2414411440, 2716212870, 3104243280, 3621617160, 4345940592, 5432425740, 7243234320, 10864851480, 21729702960]

約数ペア:

[(1, 21729702960), (2, 10864851480), (3, 7243234320), (4, 5432425740), (5, 4345940592), (6, 3621617160), (7, 3104243280), (8, 2716212870), (9, 2414411440), (10, 2172970296), (12, 1810808580), (14, 1552121640), (15, 1448646864), (16, 1358106435), (18, 1207205720), (20, 1086485148), (21, 1034747760), (24, 905404290), (28, 776060820), (30, 724323432), (31, 700958160), (35, 620848656), (36, 603602860), (40, 543242574), (42, 517373880), (45, 482882288), (48, 452702145), (56, 388030410), (60, 362161716), (62, 350479080), (63, 344915920), (70, 310424328), (72, 301801430), (80, 271621287), (84, 258686940), (90, 241441144), (93, 233652720), (105, 206949552), (112, 194015205), (120, 181080858), (124, 175239540), (126, 172457960), (140, 155212164), (144, 150900715), (155, 140191632), (168, 129343470), (180, 120720572), (186, 116826360), (210, 103474776), (217, 100136880), (240, 90540429), (248, 87619770), (252, 86228980), (279, 77884240), (280, 77606082), (310, 70095816), (315, 68983184), (336, 64671735), (360, 60360286), (372, 58413180), (420, 51737388), (434, 50068440), (465, 46730544), (496, 43809885), (504, 43114490), (558, 38942120), (560, 38803041), (620, 35047908), (630, 34491592), (651, 33378960), (720, 30180143), (744, 29206590), (840, 25868694), (868, 25034220), (930, 23365272), (1008, 21557245), (1085, 20027376), (1116, 19471060), (1240, 17523954), (1260, 17245796), (1302, 16689480), (1395, 15576848), (1488, 14603295), (1680, 12934347), (1736, 12517110), (1860, 11682636), (1953, 11126320), (2170, 10013688), (2232, 9735530), (2480, 8761977), (2520, 8622898), (2604, 8344740), (2790, 7788424), (3255, 6675792), (3472, 6258555), (3720, 5841318), (3906, 5563160), (4340, 5006844), (4464, 4867765), (5040, 4311449), (5208, 4172370), (5580, 3894212), (6510, 3337896), (7440, 2920659), (7812, 2781580), (8680, 2503422), (9765, 2225264), (10416, 2086185), (11160, 1947106), (13020, 1668948), (15624, 1390790), (17360, 1251711), (19530, 1112632), (22320, 973553), (26040, 834474), (31248, 695395), (39060, 556316), (52080, 417237), (78120, 278158), (139079, 156240)]