128757120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67061}}^1$

素因数の和:67083

約数の個数: 64

約数和(自身を含む): 410419440

約数和(自身を除く): 281662320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 67061, 134122, 201183, 268244, 335305, 402366, 536488, 670610, 804732, 1005915, 1072976, 1341220, 1609464, 2011830, 2145952, 2682440, 3218928, 4023660, 4291904, 5364880, 6437856, 8047320, 8583808, 10729760, 12875712, 16094640, 21459520, 25751424, 32189280, 42919040, 64378560, 128757120]

約数ペア:

[(1, 128757120), (2, 64378560), (3, 42919040), (4, 32189280), (5, 25751424), (6, 21459520), (8, 16094640), (10, 12875712), (12, 10729760), (15, 8583808), (16, 8047320), (20, 6437856), (24, 5364880), (30, 4291904), (32, 4023660), (40, 3218928), (48, 2682440), (60, 2145952), (64, 2011830), (80, 1609464), (96, 1341220), (120, 1072976), (128, 1005915), (160, 804732), (192, 670610), (240, 536488), (320, 402366), (384, 335305), (480, 268244), (640, 201183), (960, 134122), (1920, 67061)]