20790787080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{1811}}^1$

素因数の和:2084

約数の個数: 256

約数和(自身を含む): 72642355200

約数和(自身を除く): 51851568120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 173, 210, 237, 280, 316, 346, 395, 420, 474, 519, 553, 632, 692, 790, 840, 865, 948, 1038, 1106, 1185, 1211, 1384, 1580, 1659, 1730, 1811, 1896, 2076, 2212, 2370, 2422, 2595, 2765, 3160, 3318, 3460, 3622, 3633, 4152, 4424, 4740, 4844, 5190, 5433, 5530, 6055, 6636, 6920, 7244, 7266, 8295, 9055, 9480, 9688, 10380, 10866, 11060, 12110, 12677, 13272, 13667, 14488, 14532, 16590, 18110, 18165, 20760, 21732, 22120, 24220, 25354, 27165, 27334, 29064, 33180, 36220, 36330, 38031, 41001, 43464, 48440, 50708, 54330, 54668, 63385, 66360, 68335, 72440, 72660, 76062, 82002, 95669, 101416, 108660, 109336, 126770, 136670, 143069, 145320, 152124, 164004, 190155, 191338, 205005, 217320, 253540, 273340, 286138, 287007, 304248, 313303, 328008, 380310, 382676, 410010, 429207, 478345, 507080, 546680, 572276, 574014, 626606, 715345, 760620, 765352, 820020, 858414, 939909, 956690, 1001483, 1144552, 1148028, 1253212, 1430690, 1435035, 1521240, 1566515, 1640040, 1716828, 1879818, 1913380, 2002966, 2146035, 2193121, 2296056, 2506424, 2861380, 2870070, 3004449, 3133030, 3433656, 3759636, 3826760, 4005932, 4292070, 4386242, 4699545, 5007415, 5722760, 5740140, 6008898, 6266060, 6579363, 7519272, 8011864, 8584140, 8772484, 9399090, 10014830, 10965605, 11480280, 12017796, 12532120, 13158726, 15022245, 17168280, 17544968, 18798180, 20029660, 21931210, 24035592, 24750937, 26317452, 30044490, 32896815, 37596360, 40059320, 43862420, 49501874, 52634904, 60088980, 65793630, 74252811, 87724840, 99003748, 120177960, 123754685, 131587260, 148505622, 173256559, 198007496, 247509370, 263174520, 297011244, 346513118, 371264055, 495018740, 519769677, 594022488, 693026236, 742528110, 866282795, 990037480, 1039539354, 1386052472, 1485056220, 1732565590, 2079078708, 2598848385, 2970112440, 3465131180, 4158157416, 5197696770, 6930262360, 10395393540, 20790787080]

約数ペア:

[(1, 20790787080), (2, 10395393540), (3, 6930262360), (4, 5197696770), (5, 4158157416), (6, 3465131180), (7, 2970112440), (8, 2598848385), (10, 2079078708), (12, 1732565590), (14, 1485056220), (15, 1386052472), (20, 1039539354), (21, 990037480), (24, 866282795), (28, 742528110), (30, 693026236), (35, 594022488), (40, 519769677), (42, 495018740), (56, 371264055), (60, 346513118), (70, 297011244), (79, 263174520), (84, 247509370), (105, 198007496), (120, 173256559), (140, 148505622), (158, 131587260), (168, 123754685), (173, 120177960), (210, 99003748), (237, 87724840), (280, 74252811), (316, 65793630), (346, 60088980), (395, 52634904), (420, 49501874), (474, 43862420), (519, 40059320), (553, 37596360), (632, 32896815), (692, 30044490), (790, 26317452), (840, 24750937), (865, 24035592), (948, 21931210), (1038, 20029660), (1106, 18798180), (1185, 17544968), (1211, 17168280), (1384, 15022245), (1580, 13158726), (1659, 12532120), (1730, 12017796), (1811, 11480280), (1896, 10965605), (2076, 10014830), (2212, 9399090), (2370, 8772484), (2422, 8584140), (2595, 8011864), (2765, 7519272), (3160, 6579363), (3318, 6266060), (3460, 6008898), (3622, 5740140), (3633, 5722760), (4152, 5007415), (4424, 4699545), (4740, 4386242), (4844, 4292070), (5190, 4005932), (5433, 3826760), (5530, 3759636), (6055, 3433656), (6636, 3133030), (6920, 3004449), (7244, 2870070), (7266, 2861380), (8295, 2506424), (9055, 2296056), (9480, 2193121), (9688, 2146035), (10380, 2002966), (10866, 1913380), (11060, 1879818), (12110, 1716828), (12677, 1640040), (13272, 1566515), (13667, 1521240), (14488, 1435035), (14532, 1430690), (16590, 1253212), (18110, 1148028), (18165, 1144552), (20760, 1001483), (21732, 956690), (22120, 939909), (24220, 858414), (25354, 820020), (27165, 765352), (27334, 760620), (29064, 715345), (33180, 626606), (36220, 574014), (36330, 572276), (38031, 546680), (41001, 507080), (43464, 478345), (48440, 429207), (50708, 410010), (54330, 382676), (54668, 380310), (63385, 328008), (66360, 313303), (68335, 304248), (72440, 287007), (72660, 286138), (76062, 273340), (82002, 253540), (95669, 217320), (101416, 205005), (108660, 191338), (109336, 190155), (126770, 164004), (136670, 152124), (143069, 145320)]