20026751520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1\times {\mathrm{821}}^1$

素因数の和:1499

約数の個数: 192

約数和(自身を含む): 63982638720

約数和(自身を除く): 43955887200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 534, 571, 712, 821, 890, 1068, 1142, 1335, 1424, 1642, 1713, 1780, 2136, 2284, 2463, 2670, 2848, 2855, 3284, 3426, 3560, 4105, 4272, 4568, 4926, 5340, 5710, 6568, 6852, 7120, 8210, 8544, 8565, 9136, 9852, 10680, 11420, 12315, 13136, 13704, 14240, 16420, 17130, 18272, 19704, 21360, 22840, 24630, 26272, 27408, 32840, 34260, 39408, 42720, 45680, 49260, 50819, 54816, 65680, 68520, 73069, 78816, 91360, 98520, 101638, 131360, 137040, 146138, 152457, 197040, 203276, 219207, 254095, 274080, 292276, 304914, 365345, 394080, 406552, 438414, 468791, 508190, 584552, 609828, 730690, 762285, 813104, 876828, 937582, 1016380, 1096035, 1169104, 1219656, 1406373, 1461380, 1524570, 1626208, 1753656, 1875164, 2032760, 2192070, 2338208, 2343955, 2439312, 2812746, 2922760, 3049140, 3507312, 3750328, 4065520, 4384140, 4687910, 4878624, 5625492, 5845520, 6098280, 7014624, 7031865, 7500656, 8131040, 8768280, 9375820, 11250984, 11691040, 12196560, 14063730, 15001312, 17536560, 18751640, 22501968, 24393120, 28127460, 35073120, 37503280, 41722399, 45003936, 56254920, 75006560, 83444798, 112509840, 125167197, 166889596, 208611995, 225019680, 250334394, 333779192, 417223990, 500668788, 625835985, 667558384, 834447980, 1001337576, 1251671970, 1335116768, 1668895960, 2002675152, 2503343940, 3337791920, 4005350304, 5006687880, 6675583840, 10013375760, 20026751520]

約数ペア:

[(1, 20026751520), (2, 10013375760), (3, 6675583840), (4, 5006687880), (5, 4005350304), (6, 3337791920), (8, 2503343940), (10, 2002675152), (12, 1668895960), (15, 1335116768), (16, 1251671970), (20, 1001337576), (24, 834447980), (30, 667558384), (32, 625835985), (40, 500668788), (48, 417223990), (60, 333779192), (80, 250334394), (89, 225019680), (96, 208611995), (120, 166889596), (160, 125167197), (178, 112509840), (240, 83444798), (267, 75006560), (356, 56254920), (445, 45003936), (480, 41722399), (534, 37503280), (571, 35073120), (712, 28127460), (821, 24393120), (890, 22501968), (1068, 18751640), (1142, 17536560), (1335, 15001312), (1424, 14063730), (1642, 12196560), (1713, 11691040), (1780, 11250984), (2136, 9375820), (2284, 8768280), (2463, 8131040), (2670, 7500656), (2848, 7031865), (2855, 7014624), (3284, 6098280), (3426, 5845520), (3560, 5625492), (4105, 4878624), (4272, 4687910), (4568, 4384140), (4926, 4065520), (5340, 3750328), (5710, 3507312), (6568, 3049140), (6852, 2922760), (7120, 2812746), (8210, 2439312), (8544, 2343955), (8565, 2338208), (9136, 2192070), (9852, 2032760), (10680, 1875164), (11420, 1753656), (12315, 1626208), (13136, 1524570), (13704, 1461380), (14240, 1406373), (16420, 1219656), (17130, 1169104), (18272, 1096035), (19704, 1016380), (21360, 937582), (22840, 876828), (24630, 813104), (26272, 762285), (27408, 730690), (32840, 609828), (34260, 584552), (39408, 508190), (42720, 468791), (45680, 438414), (49260, 406552), (50819, 394080), (54816, 365345), (65680, 304914), (68520, 292276), (73069, 274080), (78816, 254095), (91360, 219207), (98520, 203276), (101638, 197040), (131360, 152457), (137040, 146138)]