78924160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 219340800

約数和(自身を除く): 140416640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 223, 224, 280, 316, 320, 395, 446, 448, 553, 560, 632, 640, 790, 892, 896, 1106, 1115, 1120, 1264, 1561, 1580, 1784, 2212, 2230, 2240, 2528, 2765, 3122, 3160, 3568, 4424, 4460, 4480, 5056, 5530, 6244, 6320, 7136, 7805, 8848, 8920, 10112, 11060, 12488, 12640, 14272, 15610, 17617, 17696, 17840, 22120, 24976, 25280, 28544, 31220, 35234, 35392, 35680, 44240, 49952, 50560, 62440, 70468, 70784, 71360, 88085, 88480, 99904, 123319, 124880, 140936, 142720, 176170, 176960, 199808, 246638, 249760, 281872, 352340, 353920, 493276, 499520, 563744, 616595, 704680, 986552, 999040, 1127488, 1233190, 1409360, 1973104, 2254976, 2466380, 2818720, 3946208, 4932760, 5637440, 7892416, 9865520, 11274880, 15784832, 19731040, 39462080, 78924160]

約数ペア:

[(1, 78924160), (2, 39462080), (4, 19731040), (5, 15784832), (7, 11274880), (8, 9865520), (10, 7892416), (14, 5637440), (16, 4932760), (20, 3946208), (28, 2818720), (32, 2466380), (35, 2254976), (40, 1973104), (56, 1409360), (64, 1233190), (70, 1127488), (79, 999040), (80, 986552), (112, 704680), (128, 616595), (140, 563744), (158, 499520), (160, 493276), (223, 353920), (224, 352340), (280, 281872), (316, 249760), (320, 246638), (395, 199808), (446, 176960), (448, 176170), (553, 142720), (560, 140936), (632, 124880), (640, 123319), (790, 99904), (892, 88480), (896, 88085), (1106, 71360), (1115, 70784), (1120, 70468), (1264, 62440), (1561, 50560), (1580, 49952), (1784, 44240), (2212, 35680), (2230, 35392), (2240, 35234), (2528, 31220), (2765, 28544), (3122, 25280), (3160, 24976), (3568, 22120), (4424, 17840), (4460, 17696), (4480, 17617), (5056, 15610), (5530, 14272), (6244, 12640), (6320, 12488), (7136, 11060), (7805, 10112), (8848, 8920)]