20175897720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:1030

約数の個数: 256

約数和(自身を含む): 67128652800

約数和(自身を除く): 46952755080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 89, 110, 120, 132, 165, 178, 220, 263, 264, 267, 330, 356, 440, 445, 526, 534, 653, 660, 712, 789, 890, 979, 1052, 1068, 1306, 1315, 1320, 1335, 1578, 1780, 1958, 1959, 2104, 2136, 2612, 2630, 2670, 2893, 2937, 3156, 3265, 3560, 3916, 3918, 3945, 4895, 5224, 5260, 5340, 5786, 5874, 6312, 6530, 7183, 7832, 7836, 7890, 8679, 9790, 9795, 10520, 10680, 11572, 11748, 13060, 14366, 14465, 14685, 15672, 15780, 17358, 19580, 19590, 21549, 23144, 23407, 23496, 26120, 28732, 28930, 29370, 31560, 34716, 35915, 39160, 39180, 43098, 43395, 46814, 57464, 57860, 58117, 58740, 69432, 70221, 71830, 78360, 86196, 86790, 93628, 107745, 115720, 116234, 117035, 117480, 140442, 143660, 171739, 172392, 173580, 174351, 187256, 215490, 232468, 234070, 257477, 280884, 287320, 290585, 343478, 347160, 348702, 351105, 430980, 464936, 468140, 514954, 515217, 561768, 581170, 639287, 686956, 697404, 702210, 772431, 858695, 861960, 871755, 936280, 1029908, 1030434, 1162340, 1278574, 1287385, 1373912, 1394808, 1404420, 1544862, 1717390, 1743510, 1889129, 1917861, 2059816, 2060868, 2324680, 2557148, 2574770, 2576085, 2808840, 3089724, 3196435, 3434780, 3487020, 3778258, 3835722, 3862155, 4121736, 5114296, 5149540, 5152170, 5667387, 6179448, 6392870, 6869560, 6974040, 7556516, 7671444, 7724310, 9445645, 9589305, 10299080, 10304340, 11334774, 12785740, 15113032, 15284771, 15342888, 15448620, 18891290, 19178610, 20608680, 22669548, 25571480, 28336935, 30569542, 30897240, 37782580, 38357220, 45339096, 45854313, 56673870, 61139084, 75565160, 76423855, 76714440, 91708626, 113347740, 122278168, 152847710, 168132481, 183417252, 226695480, 229271565, 305695420, 336264962, 366834504, 458543130, 504397443, 611390840, 672529924, 840662405, 917086260, 1008794886, 1345059848, 1681324810, 1834172520, 2017589772, 2521987215, 3362649620, 4035179544, 5043974430, 6725299240, 10087948860, 20175897720]

約数ペア:

[(1, 20175897720), (2, 10087948860), (3, 6725299240), (4, 5043974430), (5, 4035179544), (6, 3362649620), (8, 2521987215), (10, 2017589772), (11, 1834172520), (12, 1681324810), (15, 1345059848), (20, 1008794886), (22, 917086260), (24, 840662405), (30, 672529924), (33, 611390840), (40, 504397443), (44, 458543130), (55, 366834504), (60, 336264962), (66, 305695420), (88, 229271565), (89, 226695480), (110, 183417252), (120, 168132481), (132, 152847710), (165, 122278168), (178, 113347740), (220, 91708626), (263, 76714440), (264, 76423855), (267, 75565160), (330, 61139084), (356, 56673870), (440, 45854313), (445, 45339096), (526, 38357220), (534, 37782580), (653, 30897240), (660, 30569542), (712, 28336935), (789, 25571480), (890, 22669548), (979, 20608680), (1052, 19178610), (1068, 18891290), (1306, 15448620), (1315, 15342888), (1320, 15284771), (1335, 15113032), (1578, 12785740), (1780, 11334774), (1958, 10304340), (1959, 10299080), (2104, 9589305), (2136, 9445645), (2612, 7724310), (2630, 7671444), (2670, 7556516), (2893, 6974040), (2937, 6869560), (3156, 6392870), (3265, 6179448), (3560, 5667387), (3916, 5152170), (3918, 5149540), (3945, 5114296), (4895, 4121736), (5224, 3862155), (5260, 3835722), (5340, 3778258), (5786, 3487020), (5874, 3434780), (6312, 3196435), (6530, 3089724), (7183, 2808840), (7832, 2576085), (7836, 2574770), (7890, 2557148), (8679, 2324680), (9790, 2060868), (9795, 2059816), (10520, 1917861), (10680, 1889129), (11572, 1743510), (11748, 1717390), (13060, 1544862), (14366, 1404420), (14465, 1394808), (14685, 1373912), (15672, 1287385), (15780, 1278574), (17358, 1162340), (19580, 1030434), (19590, 1029908), (21549, 936280), (23144, 871755), (23407, 861960), (23496, 858695), (26120, 772431), (28732, 702210), (28930, 697404), (29370, 686956), (31560, 639287), (34716, 581170), (35915, 561768), (39160, 515217), (39180, 514954), (43098, 468140), (43395, 464936), (46814, 430980), (57464, 351105), (57860, 348702), (58117, 347160), (58740, 343478), (69432, 290585), (70221, 287320), (71830, 280884), (78360, 257477), (86196, 234070), (86790, 232468), (93628, 215490), (107745, 187256), (115720, 174351), (116234, 173580), (117035, 172392), (117480, 171739), (140442, 143660)]