1290788520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1056

約数の個数: 256

約数和(自身を含む): 4687994880

約数和(自身を除く): 3397206360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 71, 84, 92, 105, 115, 120, 138, 140, 142, 161, 168, 184, 210, 213, 230, 276, 280, 284, 322, 345, 355, 420, 426, 460, 483, 497, 552, 568, 644, 690, 710, 805, 840, 852, 920, 941, 966, 994, 1065, 1288, 1380, 1420, 1491, 1610, 1633, 1704, 1882, 1932, 1988, 2130, 2415, 2485, 2760, 2823, 2840, 2982, 3220, 3266, 3764, 3864, 3976, 4260, 4705, 4830, 4899, 4970, 5646, 5964, 6440, 6532, 6587, 7455, 7528, 8165, 8520, 9410, 9660, 9798, 9940, 11292, 11431, 11928, 13064, 13174, 14115, 14910, 16330, 18820, 19320, 19596, 19761, 19880, 21643, 22584, 22862, 24495, 26348, 28230, 29820, 32660, 32935, 34293, 37640, 39192, 39522, 43286, 45724, 48990, 52696, 56460, 57155, 59640, 64929, 65320, 65870, 66811, 68586, 79044, 86572, 91448, 97980, 98805, 108215, 112920, 114310, 129858, 131740, 133622, 137172, 151501, 158088, 171465, 173144, 195960, 197610, 200433, 216430, 228620, 259716, 263480, 267244, 274344, 303002, 324645, 334055, 342930, 395220, 400866, 432860, 454503, 457240, 467677, 519432, 534488, 606004, 649290, 668110, 685860, 757505, 790440, 801732, 865720, 909006, 935354, 1002165, 1212008, 1298580, 1336220, 1371720, 1403031, 1515010, 1536653, 1603464, 1818012, 1870708, 2004330, 2272515, 2338385, 2597160, 2672440, 2806062, 3030020, 3073306, 3636024, 3741416, 4008660, 4545030, 4609959, 4676770, 5612124, 6060040, 6146612, 7015155, 7683265, 8017320, 9090060, 9219918, 9353540, 10756571, 11224248, 12293224, 14030310, 15366530, 18180120, 18439836, 18707080, 21513142, 23049795, 28060620, 30733060, 32269713, 36879672, 43026284, 46099590, 53782855, 56121240, 61466120, 64539426, 86052568, 92199180, 107565710, 129078852, 161348565, 184398360, 215131420, 258157704, 322697130, 430262840, 645394260, 1290788520]

約数ペア:

[(1, 1290788520), (2, 645394260), (3, 430262840), (4, 322697130), (5, 258157704), (6, 215131420), (7, 184398360), (8, 161348565), (10, 129078852), (12, 107565710), (14, 92199180), (15, 86052568), (20, 64539426), (21, 61466120), (23, 56121240), (24, 53782855), (28, 46099590), (30, 43026284), (35, 36879672), (40, 32269713), (42, 30733060), (46, 28060620), (56, 23049795), (60, 21513142), (69, 18707080), (70, 18439836), (71, 18180120), (84, 15366530), (92, 14030310), (105, 12293224), (115, 11224248), (120, 10756571), (138, 9353540), (140, 9219918), (142, 9090060), (161, 8017320), (168, 7683265), (184, 7015155), (210, 6146612), (213, 6060040), (230, 5612124), (276, 4676770), (280, 4609959), (284, 4545030), (322, 4008660), (345, 3741416), (355, 3636024), (420, 3073306), (426, 3030020), (460, 2806062), (483, 2672440), (497, 2597160), (552, 2338385), (568, 2272515), (644, 2004330), (690, 1870708), (710, 1818012), (805, 1603464), (840, 1536653), (852, 1515010), (920, 1403031), (941, 1371720), (966, 1336220), (994, 1298580), (1065, 1212008), (1288, 1002165), (1380, 935354), (1420, 909006), (1491, 865720), (1610, 801732), (1633, 790440), (1704, 757505), (1882, 685860), (1932, 668110), (1988, 649290), (2130, 606004), (2415, 534488), (2485, 519432), (2760, 467677), (2823, 457240), (2840, 454503), (2982, 432860), (3220, 400866), (3266, 395220), (3764, 342930), (3864, 334055), (3976, 324645), (4260, 303002), (4705, 274344), (4830, 267244), (4899, 263480), (4970, 259716), (5646, 228620), (5964, 216430), (6440, 200433), (6532, 197610), (6587, 195960), (7455, 173144), (7528, 171465), (8165, 158088), (8520, 151501), (9410, 137172), (9660, 133622), (9798, 131740), (9940, 129858), (11292, 114310), (11431, 112920), (11928, 108215), (13064, 98805), (13174, 97980), (14115, 91448), (14910, 86572), (16330, 79044), (18820, 68586), (19320, 66811), (19596, 65870), (19761, 65320), (19880, 64929), (21643, 59640), (22584, 57155), (22862, 56460), (24495, 52696), (26348, 48990), (28230, 45724), (29820, 43286), (32660, 39522), (32935, 39192), (34293, 37640)]