1721825100

素因数分解:

$2^2\times 3^7\times 5^2\times {\mathrm{7873}}^1$

素因数の和:7908

約数の個数: 144

約数和(自身を含む): 5604398240

約数和(自身を除く): 3882573140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 729, 810, 900, 972, 1215, 1350, 1458, 1620, 2025, 2187, 2430, 2700, 2916, 3645, 4050, 4374, 4860, 6075, 7290, 7873, 8100, 8748, 10935, 12150, 14580, 15746, 18225, 21870, 23619, 24300, 31492, 36450, 39365, 43740, 47238, 54675, 70857, 72900, 78730, 94476, 109350, 118095, 141714, 157460, 196825, 212571, 218700, 236190, 283428, 354285, 393650, 425142, 472380, 590475, 637713, 708570, 787300, 850284, 1062855, 1180950, 1275426, 1417140, 1771425, 1913139, 2125710, 2361900, 2550852, 3188565, 3542850, 3826278, 4251420, 5314275, 5739417, 6377130, 7085700, 7652556, 9565695, 10628550, 11478834, 12754260, 15942825, 17218251, 19131390, 21257100, 22957668, 28697085, 31885650, 34436502, 38262780, 47828475, 57394170, 63771300, 68873004, 86091255, 95656950, 114788340, 143485425, 172182510, 191313900, 286970850, 344365020, 430456275, 573941700, 860912550, 1721825100]

約数ペア:

[(1, 1721825100), (2, 860912550), (3, 573941700), (4, 430456275), (5, 344365020), (6, 286970850), (9, 191313900), (10, 172182510), (12, 143485425), (15, 114788340), (18, 95656950), (20, 86091255), (25, 68873004), (27, 63771300), (30, 57394170), (36, 47828475), (45, 38262780), (50, 34436502), (54, 31885650), (60, 28697085), (75, 22957668), (81, 21257100), (90, 19131390), (100, 17218251), (108, 15942825), (135, 12754260), (150, 11478834), (162, 10628550), (180, 9565695), (225, 7652556), (243, 7085700), (270, 6377130), (300, 5739417), (324, 5314275), (405, 4251420), (450, 3826278), (486, 3542850), (540, 3188565), (675, 2550852), (729, 2361900), (810, 2125710), (900, 1913139), (972, 1771425), (1215, 1417140), (1350, 1275426), (1458, 1180950), (1620, 1062855), (2025, 850284), (2187, 787300), (2430, 708570), (2700, 637713), (2916, 590475), (3645, 472380), (4050, 425142), (4374, 393650), (4860, 354285), (6075, 283428), (7290, 236190), (7873, 218700), (8100, 212571), (8748, 196825), (10935, 157460), (12150, 141714), (14580, 118095), (15746, 109350), (18225, 94476), (21870, 78730), (23619, 72900), (24300, 70857), (31492, 54675), (36450, 47238), (39365, 43740)]