81600540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 275788800

約数和(自身を除く): 194188260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 59, 60, 70, 74, 84, 89, 105, 111, 118, 140, 148, 177, 178, 185, 210, 222, 236, 259, 267, 295, 354, 356, 370, 413, 420, 444, 445, 518, 534, 555, 590, 623, 708, 740, 777, 826, 885, 890, 1036, 1068, 1110, 1180, 1239, 1246, 1295, 1335, 1554, 1652, 1770, 1780, 1869, 2065, 2183, 2220, 2478, 2492, 2590, 2670, 3108, 3115, 3293, 3540, 3738, 3885, 4130, 4366, 4956, 5180, 5251, 5340, 6195, 6230, 6549, 6586, 7476, 7770, 8260, 8732, 9345, 9879, 10502, 10915, 12390, 12460, 13098, 13172, 15281, 15540, 15753, 16465, 18690, 19758, 21004, 21830, 23051, 24780, 26196, 26255, 30562, 31506, 32745, 32930, 36757, 37380, 39516, 43660, 45843, 46102, 49395, 52510, 61124, 63012, 65490, 65860, 69153, 73514, 76405, 78765, 91686, 92204, 98790, 105020, 110271, 115255, 130980, 138306, 147028, 152810, 157530, 183372, 183785, 194287, 197580, 220542, 229215, 230510, 276612, 305620, 315060, 345765, 367570, 388574, 441084, 458430, 461020, 551355, 582861, 691530, 735140, 777148, 916860, 971435, 1102710, 1165722, 1360009, 1383060, 1942870, 2205420, 2331444, 2720018, 2914305, 3885740, 4080027, 5440036, 5828610, 6800045, 8160054, 11657220, 13600090, 16320108, 20400135, 27200180, 40800270, 81600540]

約数ペア:

[(1, 81600540), (2, 40800270), (3, 27200180), (4, 20400135), (5, 16320108), (6, 13600090), (7, 11657220), (10, 8160054), (12, 6800045), (14, 5828610), (15, 5440036), (20, 4080027), (21, 3885740), (28, 2914305), (30, 2720018), (35, 2331444), (37, 2205420), (42, 1942870), (59, 1383060), (60, 1360009), (70, 1165722), (74, 1102710), (84, 971435), (89, 916860), (105, 777148), (111, 735140), (118, 691530), (140, 582861), (148, 551355), (177, 461020), (178, 458430), (185, 441084), (210, 388574), (222, 367570), (236, 345765), (259, 315060), (267, 305620), (295, 276612), (354, 230510), (356, 229215), (370, 220542), (413, 197580), (420, 194287), (444, 183785), (445, 183372), (518, 157530), (534, 152810), (555, 147028), (590, 138306), (623, 130980), (708, 115255), (740, 110271), (777, 105020), (826, 98790), (885, 92204), (890, 91686), (1036, 78765), (1068, 76405), (1110, 73514), (1180, 69153), (1239, 65860), (1246, 65490), (1295, 63012), (1335, 61124), (1554, 52510), (1652, 49395), (1770, 46102), (1780, 45843), (1869, 43660), (2065, 39516), (2183, 37380), (2220, 36757), (2478, 32930), (2492, 32745), (2590, 31506), (2670, 30562), (3108, 26255), (3115, 26196), (3293, 24780), (3540, 23051), (3738, 21830), (3885, 21004), (4130, 19758), (4366, 18690), (4956, 16465), (5180, 15753), (5251, 15540), (5340, 15281), (6195, 13172), (6230, 13098), (6549, 12460), (6586, 12390), (7476, 10915), (7770, 10502), (8260, 9879), (8732, 9345)]