25956720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 160

約数和(自身を含む): 91333440

約数和(自身を除く): 65376720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 144, 180, 183, 197, 216, 240, 244, 270, 305, 360, 366, 394, 432, 488, 540, 549, 591, 610, 720, 732, 788, 915, 976, 985, 1080, 1098, 1182, 1220, 1464, 1576, 1647, 1773, 1830, 1970, 2160, 2196, 2364, 2440, 2745, 2928, 2955, 3152, 3294, 3546, 3660, 3940, 4392, 4728, 4880, 5319, 5490, 5910, 6588, 7092, 7320, 7880, 8235, 8784, 8865, 9456, 10638, 10980, 11820, 12017, 13176, 14184, 14640, 15760, 16470, 17730, 21276, 21960, 23640, 24034, 26352, 26595, 28368, 32940, 35460, 36051, 42552, 43920, 47280, 48068, 53190, 60085, 65880, 70920, 72102, 85104, 96136, 106380, 108153, 120170, 131760, 141840, 144204, 180255, 192272, 212760, 216306, 240340, 288408, 324459, 360510, 425520, 432612, 480680, 540765, 576816, 648918, 721020, 865224, 961360, 1081530, 1297836, 1442040, 1622295, 1730448, 2163060, 2595672, 2884080, 3244590, 4326120, 5191344, 6489180, 8652240, 12978360, 25956720]

約数ペア:

[(1, 25956720), (2, 12978360), (3, 8652240), (4, 6489180), (5, 5191344), (6, 4326120), (8, 3244590), (9, 2884080), (10, 2595672), (12, 2163060), (15, 1730448), (16, 1622295), (18, 1442040), (20, 1297836), (24, 1081530), (27, 961360), (30, 865224), (36, 721020), (40, 648918), (45, 576816), (48, 540765), (54, 480680), (60, 432612), (61, 425520), (72, 360510), (80, 324459), (90, 288408), (108, 240340), (120, 216306), (122, 212760), (135, 192272), (144, 180255), (180, 144204), (183, 141840), (197, 131760), (216, 120170), (240, 108153), (244, 106380), (270, 96136), (305, 85104), (360, 72102), (366, 70920), (394, 65880), (432, 60085), (488, 53190), (540, 48068), (549, 47280), (591, 43920), (610, 42552), (720, 36051), (732, 35460), (788, 32940), (915, 28368), (976, 26595), (985, 26352), (1080, 24034), (1098, 23640), (1182, 21960), (1220, 21276), (1464, 17730), (1576, 16470), (1647, 15760), (1773, 14640), (1830, 14184), (1970, 13176), (2160, 12017), (2196, 11820), (2364, 10980), (2440, 10638), (2745, 9456), (2928, 8865), (2955, 8784), (3152, 8235), (3294, 7880), (3546, 7320), (3660, 7092), (3940, 6588), (4392, 5910), (4728, 5490), (4880, 5319)]