20973616560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{13259}}^1$

素因数の和:13317

約数の個数: 240

約数和(自身を含む): 76309178400

約数和(自身を除く): 55335561840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1352, 1521, 1560, 1690, 1872, 2028, 2197, 2340, 2535, 2704, 3042, 3120, 3380, 4056, 4394, 4680, 5070, 6084, 6591, 6760, 7605, 8112, 8788, 9360, 10140, 10985, 12168, 13182, 13259, 13520, 15210, 17576, 19773, 20280, 21970, 24336, 26364, 26518, 30420, 32955, 35152, 39546, 39777, 40560, 43940, 52728, 53036, 60840, 65910, 66295, 79092, 79554, 87880, 98865, 105456, 106072, 119331, 121680, 131820, 132590, 158184, 159108, 172367, 175760, 197730, 198885, 212144, 238662, 263640, 265180, 316368, 318216, 344734, 395460, 397770, 477324, 517101, 527280, 530360, 596655, 636432, 689468, 790920, 795540, 861835, 954648, 1034202, 1060720, 1193310, 1378936, 1551303, 1581840, 1591080, 1723670, 1909296, 2068404, 2240771, 2386620, 2585505, 2757872, 3102606, 3182160, 3447340, 4136808, 4481542, 4773240, 5171010, 6205212, 6722313, 6894680, 7756515, 8273616, 8963084, 9546480, 10342020, 11203855, 12410424, 13444626, 13789360, 15513030, 17926168, 20166939, 20684040, 22407710, 24820848, 26889252, 29130023, 31026060, 33611565, 35852336, 40333878, 41368080, 44815420, 53778504, 58260046, 62052120, 67223130, 80667756, 87390069, 89630840, 100834695, 107557008, 116520092, 124104240, 134446260, 145650115, 161335512, 174780138, 179261680, 201669390, 233040184, 262170207, 268892520, 291300230, 322671024, 349560276, 403338780, 436950345, 466080368, 524340414, 537785040, 582600460, 699120552, 806677560, 873900690, 1048680828, 1165200920, 1310851035, 1398241104, 1613355120, 1747801380, 2097361656, 2330401840, 2621702070, 3495602760, 4194723312, 5243404140, 6991205520, 10486808280, 20973616560]

約数ペア:

[(1, 20973616560), (2, 10486808280), (3, 6991205520), (4, 5243404140), (5, 4194723312), (6, 3495602760), (8, 2621702070), (9, 2330401840), (10, 2097361656), (12, 1747801380), (13, 1613355120), (15, 1398241104), (16, 1310851035), (18, 1165200920), (20, 1048680828), (24, 873900690), (26, 806677560), (30, 699120552), (36, 582600460), (39, 537785040), (40, 524340414), (45, 466080368), (48, 436950345), (52, 403338780), (60, 349560276), (65, 322671024), (72, 291300230), (78, 268892520), (80, 262170207), (90, 233040184), (104, 201669390), (117, 179261680), (120, 174780138), (130, 161335512), (144, 145650115), (156, 134446260), (169, 124104240), (180, 116520092), (195, 107557008), (208, 100834695), (234, 89630840), (240, 87390069), (260, 80667756), (312, 67223130), (338, 62052120), (360, 58260046), (390, 53778504), (468, 44815420), (507, 41368080), (520, 40333878), (585, 35852336), (624, 33611565), (676, 31026060), (720, 29130023), (780, 26889252), (845, 24820848), (936, 22407710), (1014, 20684040), (1040, 20166939), (1170, 17926168), (1352, 15513030), (1521, 13789360), (1560, 13444626), (1690, 12410424), (1872, 11203855), (2028, 10342020), (2197, 9546480), (2340, 8963084), (2535, 8273616), (2704, 7756515), (3042, 6894680), (3120, 6722313), (3380, 6205212), (4056, 5171010), (4394, 4773240), (4680, 4481542), (5070, 4136808), (6084, 3447340), (6591, 3182160), (6760, 3102606), (7605, 2757872), (8112, 2585505), (8788, 2386620), (9360, 2240771), (10140, 2068404), (10985, 1909296), (12168, 1723670), (13182, 1591080), (13259, 1581840), (13520, 1551303), (15210, 1378936), (17576, 1193310), (19773, 1060720), (20280, 1034202), (21970, 954648), (24336, 861835), (26364, 795540), (26518, 790920), (30420, 689468), (32955, 636432), (35152, 596655), (39546, 530360), (39777, 527280), (40560, 517101), (43940, 477324), (52728, 397770), (53036, 395460), (60840, 344734), (65910, 318216), (66295, 316368), (79092, 265180), (79554, 263640), (87880, 238662), (98865, 212144), (105456, 198885), (106072, 197730), (119331, 175760), (121680, 172367), (131820, 159108), (132590, 158184)]