78237440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3217}}^1$

素因数の和:3257

約数の個数: 72

約数和(自身を含む): 197327760

約数和(自身を除く): 119090320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 3217, 4864, 6080, 6434, 12160, 12868, 16085, 24320, 25736, 32170, 51472, 61123, 64340, 102944, 122246, 128680, 205888, 244492, 257360, 305615, 411776, 488984, 514720, 611230, 823552, 977968, 1029440, 1222460, 1955936, 2058880, 2444920, 3911872, 4117760, 4889840, 7823744, 9779680, 15647488, 19559360, 39118720, 78237440]

約数ペア:

[(1, 78237440), (2, 39118720), (4, 19559360), (5, 15647488), (8, 9779680), (10, 7823744), (16, 4889840), (19, 4117760), (20, 3911872), (32, 2444920), (38, 2058880), (40, 1955936), (64, 1222460), (76, 1029440), (80, 977968), (95, 823552), (128, 611230), (152, 514720), (160, 488984), (190, 411776), (256, 305615), (304, 257360), (320, 244492), (380, 205888), (608, 128680), (640, 122246), (760, 102944), (1216, 64340), (1280, 61123), (1520, 51472), (2432, 32170), (3040, 25736), (3217, 24320), (4864, 16085), (6080, 12868), (6434, 12160)]