81071509680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{41999}}^1$

素因数の和:42408

約数の個数: 240

約数和(自身を含む): 311980032000

約数和(自身を除く): 230908522320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 383, 420, 504, 560, 630, 720, 766, 840, 1008, 1149, 1260, 1532, 1680, 1915, 2298, 2520, 2681, 3064, 3447, 3830, 4596, 5040, 5362, 5745, 6128, 6894, 7660, 8043, 9192, 10724, 11490, 13405, 13788, 15320, 16086, 17235, 18384, 21448, 22980, 24129, 26810, 27576, 30640, 32172, 34470, 40215, 41999, 42896, 45960, 48258, 53620, 55152, 64344, 68940, 80430, 83998, 91920, 96516, 107240, 120645, 125997, 128688, 137880, 160860, 167996, 193032, 209995, 214480, 241290, 251994, 275760, 293993, 321720, 335992, 377991, 386064, 419990, 482580, 503988, 587986, 629985, 643440, 671984, 755982, 839980, 881979, 965160, 1007976, 1175972, 1259970, 1469965, 1511964, 1679960, 1763958, 1889955, 1930320, 2015952, 2351944, 2519940, 2645937, 2939930, 3023928, 3359920, 3527916, 3779910, 4409895, 4703888, 5039880, 5291874, 5879860, 6047856, 7055832, 7559820, 8819790, 10079760, 10583748, 11759720, 13229685, 14111664, 15119640, 16085617, 17639580, 21167496, 23519440, 26459370, 30239280, 32171234, 35279160, 42334992, 48256851, 52918740, 64342468, 70558320, 80428085, 96513702, 105837480, 112599319, 128684936, 144770553, 160856170, 193027404, 211674960, 225198638, 241284255, 257369872, 289541106, 321712340, 337797957, 386054808, 450397276, 482568510, 562996595, 579082212, 643424680, 675595914, 723852765, 772109616, 900794552, 965137020, 1013393871, 1125993190, 1158164424, 1286849360, 1351191828, 1447705530, 1688989785, 1801589104, 1930274040, 2026787742, 2251986380, 2316328848, 2702383656, 2895411060, 3377979570, 3860548080, 4053575484, 4503972760, 5066969355, 5404767312, 5790822120, 6755959140, 8107150968, 9007945520, 10133938710, 11581644240, 13511918280, 16214301936, 20267877420, 27023836560, 40535754840, 81071509680]

約数ペア:

[(1, 81071509680), (2, 40535754840), (3, 27023836560), (4, 20267877420), (5, 16214301936), (6, 13511918280), (7, 11581644240), (8, 10133938710), (9, 9007945520), (10, 8107150968), (12, 6755959140), (14, 5790822120), (15, 5404767312), (16, 5066969355), (18, 4503972760), (20, 4053575484), (21, 3860548080), (24, 3377979570), (28, 2895411060), (30, 2702383656), (35, 2316328848), (36, 2251986380), (40, 2026787742), (42, 1930274040), (45, 1801589104), (48, 1688989785), (56, 1447705530), (60, 1351191828), (63, 1286849360), (70, 1158164424), (72, 1125993190), (80, 1013393871), (84, 965137020), (90, 900794552), (105, 772109616), (112, 723852765), (120, 675595914), (126, 643424680), (140, 579082212), (144, 562996595), (168, 482568510), (180, 450397276), (210, 386054808), (240, 337797957), (252, 321712340), (280, 289541106), (315, 257369872), (336, 241284255), (360, 225198638), (383, 211674960), (420, 193027404), (504, 160856170), (560, 144770553), (630, 128684936), (720, 112599319), (766, 105837480), (840, 96513702), (1008, 80428085), (1149, 70558320), (1260, 64342468), (1532, 52918740), (1680, 48256851), (1915, 42334992), (2298, 35279160), (2520, 32171234), (2681, 30239280), (3064, 26459370), (3447, 23519440), (3830, 21167496), (4596, 17639580), (5040, 16085617), (5362, 15119640), (5745, 14111664), (6128, 13229685), (6894, 11759720), (7660, 10583748), (8043, 10079760), (9192, 8819790), (10724, 7559820), (11490, 7055832), (13405, 6047856), (13788, 5879860), (15320, 5291874), (16086, 5039880), (17235, 4703888), (18384, 4409895), (21448, 3779910), (22980, 3527916), (24129, 3359920), (26810, 3023928), (27576, 2939930), (30640, 2645937), (32172, 2519940), (34470, 2351944), (40215, 2015952), (41999, 1930320), (42896, 1889955), (45960, 1763958), (48258, 1679960), (53620, 1511964), (55152, 1469965), (64344, 1259970), (68940, 1175972), (80430, 1007976), (83998, 965160), (91920, 881979), (96516, 839980), (107240, 755982), (120645, 671984), (125997, 643440), (128688, 629985), (137880, 587986), (160860, 503988), (167996, 482580), (193032, 419990), (209995, 386064), (214480, 377991), (241290, 335992), (251994, 321720), (275760, 293993)]