1977887520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1088

約数の個数: 288

約数和(自身を含む): 7755471360

約数和(自身を除く): 5777583840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 239, 240, 252, 280, 288, 315, 336, 360, 420, 478, 480, 504, 560, 630, 672, 717, 720, 821, 840, 956, 1008, 1120, 1195, 1260, 1434, 1440, 1642, 1673, 1680, 1912, 2016, 2151, 2390, 2463, 2520, 2868, 3284, 3346, 3360, 3585, 3824, 4105, 4302, 4780, 4926, 5019, 5040, 5736, 5747, 6568, 6692, 7170, 7389, 7648, 8210, 8365, 8604, 9560, 9852, 10038, 10080, 10755, 11472, 11494, 12315, 13136, 13384, 14340, 14778, 15057, 16420, 16730, 17208, 17241, 19120, 19704, 20076, 21510, 22944, 22988, 24630, 25095, 26272, 26768, 28680, 28735, 29556, 30114, 32840, 33460, 34416, 34482, 36945, 38240, 39408, 40152, 43020, 45976, 49260, 50190, 51723, 53536, 57360, 57470, 59112, 60228, 65680, 66920, 68832, 68964, 73890, 75285, 78816, 80304, 86040, 86205, 91952, 98520, 100380, 103446, 114720, 114940, 118224, 120456, 131360, 133840, 137928, 147780, 150570, 160608, 172080, 172410, 183904, 196219, 197040, 200760, 206892, 229880, 236448, 240912, 258615, 267680, 275856, 295560, 301140, 344160, 344820, 392438, 394080, 401520, 413784, 459760, 481824, 517230, 551712, 588657, 591120, 602280, 689640, 784876, 803040, 827568, 919520, 981095, 1034460, 1177314, 1182240, 1204560, 1373533, 1379280, 1569752, 1655136, 1765971, 1962190, 2068920, 2354628, 2409120, 2747066, 2758560, 2943285, 3139504, 3531942, 3924380, 4120599, 4137840, 4709256, 5494132, 5886570, 6279008, 6867665, 7063884, 7848760, 8241198, 8275680, 8829855, 9418512, 10988264, 11773140, 12361797, 13735330, 14127768, 15697520, 16482396, 17659710, 18837024, 20602995, 21976528, 23546280, 24723594, 27470660, 28255536, 31395040, 32964792, 35319420, 41205990, 43953056, 47092560, 49447188, 54941320, 56511072, 61808985, 65929584, 70638840, 82411980, 94185120, 98894376, 109882640, 123617970, 131859168, 141277680, 164823960, 197788752, 219765280, 247235940, 282555360, 329647920, 395577504, 494471880, 659295840, 988943760, 1977887520]

約数ペア:

[(1, 1977887520), (2, 988943760), (3, 659295840), (4, 494471880), (5, 395577504), (6, 329647920), (7, 282555360), (8, 247235940), (9, 219765280), (10, 197788752), (12, 164823960), (14, 141277680), (15, 131859168), (16, 123617970), (18, 109882640), (20, 98894376), (21, 94185120), (24, 82411980), (28, 70638840), (30, 65929584), (32, 61808985), (35, 56511072), (36, 54941320), (40, 49447188), (42, 47092560), (45, 43953056), (48, 41205990), (56, 35319420), (60, 32964792), (63, 31395040), (70, 28255536), (72, 27470660), (80, 24723594), (84, 23546280), (90, 21976528), (96, 20602995), (105, 18837024), (112, 17659710), (120, 16482396), (126, 15697520), (140, 14127768), (144, 13735330), (160, 12361797), (168, 11773140), (180, 10988264), (210, 9418512), (224, 8829855), (239, 8275680), (240, 8241198), (252, 7848760), (280, 7063884), (288, 6867665), (315, 6279008), (336, 5886570), (360, 5494132), (420, 4709256), (478, 4137840), (480, 4120599), (504, 3924380), (560, 3531942), (630, 3139504), (672, 2943285), (717, 2758560), (720, 2747066), (821, 2409120), (840, 2354628), (956, 2068920), (1008, 1962190), (1120, 1765971), (1195, 1655136), (1260, 1569752), (1434, 1379280), (1440, 1373533), (1642, 1204560), (1673, 1182240), (1680, 1177314), (1912, 1034460), (2016, 981095), (2151, 919520), (2390, 827568), (2463, 803040), (2520, 784876), (2868, 689640), (3284, 602280), (3346, 591120), (3360, 588657), (3585, 551712), (3824, 517230), (4105, 481824), (4302, 459760), (4780, 413784), (4926, 401520), (5019, 394080), (5040, 392438), (5736, 344820), (5747, 344160), (6568, 301140), (6692, 295560), (7170, 275856), (7389, 267680), (7648, 258615), (8210, 240912), (8365, 236448), (8604, 229880), (9560, 206892), (9852, 200760), (10038, 197040), (10080, 196219), (10755, 183904), (11472, 172410), (11494, 172080), (12315, 160608), (13136, 150570), (13384, 147780), (14340, 137928), (14778, 133840), (15057, 131360), (16420, 120456), (16730, 118224), (17208, 114940), (17241, 114720), (19120, 103446), (19704, 100380), (20076, 98520), (21510, 91952), (22944, 86205), (22988, 86040), (24630, 80304), (25095, 78816), (26272, 75285), (26768, 73890), (28680, 68964), (28735, 68832), (29556, 66920), (30114, 65680), (32840, 60228), (33460, 59112), (34416, 57470), (34482, 57360), (36945, 53536), (38240, 51723), (39408, 50190), (40152, 49260), (43020, 45976)]