12978360

素因数分解:

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

素因数の和:278

約数の個数: 128

約数和(自身を含む): 44193600

約数和(自身を除く): 31215240

約数列:

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

約数ペア:

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