642690540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 2012119200

約数和(自身を除く): 1369428660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 73, 90, 118, 146, 177, 180, 219, 236, 292, 295, 354, 365, 438, 531, 590, 657, 708, 730, 829, 876, 885, 1062, 1095, 1180, 1314, 1460, 1658, 1770, 2124, 2190, 2487, 2628, 2655, 3285, 3316, 3540, 4145, 4307, 4380, 4974, 5310, 6570, 7461, 8290, 8614, 9948, 10620, 12435, 12921, 13140, 14922, 16580, 17228, 21535, 24870, 25842, 29844, 37305, 38763, 43070, 48911, 49740, 51684, 60517, 64605, 74610, 77526, 86140, 97822, 121034, 129210, 146733, 149220, 155052, 181551, 193815, 195644, 242068, 244555, 258420, 293466, 302585, 363102, 387630, 440199, 489110, 544653, 586932, 605170, 726204, 733665, 775260, 880398, 907755, 978220, 1089306, 1210340, 1467330, 1760796, 1815510, 2178612, 2200995, 2723265, 2934660, 3570503, 3631020, 4401990, 5446530, 7141006, 8803980, 10711509, 10893060, 14282012, 17852515, 21423018, 32134527, 35705030, 42846036, 53557545, 64269054, 71410060, 107115090, 128538108, 160672635, 214230180, 321345270, 642690540]

約数ペア:

[(1, 642690540), (2, 321345270), (3, 214230180), (4, 160672635), (5, 128538108), (6, 107115090), (9, 71410060), (10, 64269054), (12, 53557545), (15, 42846036), (18, 35705030), (20, 32134527), (30, 21423018), (36, 17852515), (45, 14282012), (59, 10893060), (60, 10711509), (73, 8803980), (90, 7141006), (118, 5446530), (146, 4401990), (177, 3631020), (180, 3570503), (219, 2934660), (236, 2723265), (292, 2200995), (295, 2178612), (354, 1815510), (365, 1760796), (438, 1467330), (531, 1210340), (590, 1089306), (657, 978220), (708, 907755), (730, 880398), (829, 775260), (876, 733665), (885, 726204), (1062, 605170), (1095, 586932), (1180, 544653), (1314, 489110), (1460, 440199), (1658, 387630), (1770, 363102), (2124, 302585), (2190, 293466), (2487, 258420), (2628, 244555), (2655, 242068), (3285, 195644), (3316, 193815), (3540, 181551), (4145, 155052), (4307, 149220), (4380, 146733), (4974, 129210), (5310, 121034), (6570, 97822), (7461, 86140), (8290, 77526), (8614, 74610), (9948, 64605), (10620, 60517), (12435, 51684), (12921, 49740), (13140, 48911), (14922, 43070), (16580, 38763), (17228, 37305), (21535, 29844), (24870, 25842)]