64456800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 212611392

約数和(自身を除く): 148154592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 107, 120, 150, 160, 200, 214, 240, 251, 300, 321, 400, 428, 480, 502, 535, 600, 642, 753, 800, 856, 1004, 1070, 1200, 1255, 1284, 1506, 1605, 1712, 2008, 2140, 2400, 2510, 2568, 2675, 3012, 3210, 3424, 3765, 4016, 4280, 5020, 5136, 5350, 6024, 6275, 6420, 7530, 8025, 8032, 8560, 10040, 10272, 10700, 12048, 12550, 12840, 15060, 16050, 17120, 18825, 20080, 21400, 24096, 25100, 25680, 26857, 30120, 32100, 37650, 40160, 42800, 50200, 51360, 53714, 60240, 64200, 75300, 80571, 85600, 100400, 107428, 120480, 128400, 134285, 150600, 161142, 200800, 214856, 256800, 268570, 301200, 322284, 402855, 429712, 537140, 602400, 644568, 671425, 805710, 859424, 1074280, 1289136, 1342850, 1611420, 2014275, 2148560, 2578272, 2685700, 3222840, 4028550, 4297120, 5371400, 6445680, 8057100, 10742800, 12891360, 16114200, 21485600, 32228400, 64456800]

約数ペア:

[(1, 64456800), (2, 32228400), (3, 21485600), (4, 16114200), (5, 12891360), (6, 10742800), (8, 8057100), (10, 6445680), (12, 5371400), (15, 4297120), (16, 4028550), (20, 3222840), (24, 2685700), (25, 2578272), (30, 2148560), (32, 2014275), (40, 1611420), (48, 1342850), (50, 1289136), (60, 1074280), (75, 859424), (80, 805710), (96, 671425), (100, 644568), (107, 602400), (120, 537140), (150, 429712), (160, 402855), (200, 322284), (214, 301200), (240, 268570), (251, 256800), (300, 214856), (321, 200800), (400, 161142), (428, 150600), (480, 134285), (502, 128400), (535, 120480), (600, 107428), (642, 100400), (753, 85600), (800, 80571), (856, 75300), (1004, 64200), (1070, 60240), (1200, 53714), (1255, 51360), (1284, 50200), (1506, 42800), (1605, 40160), (1712, 37650), (2008, 32100), (2140, 30120), (2400, 26857), (2510, 25680), (2568, 25100), (2675, 24096), (3012, 21400), (3210, 20080), (3424, 18825), (3765, 17120), (4016, 16050), (4280, 15060), (5020, 12840), (5136, 12550), (5350, 12048), (6024, 10700), (6275, 10272), (6420, 10040), (7530, 8560), (8025, 8032)]