19731040

素因数分解:

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

素因数の和:324

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 34459040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 223, 224, 280, 316, 395, 446, 553, 560, 632, 790, 892, 1106, 1115, 1120, 1264, 1561, 1580, 1784, 2212, 2230, 2528, 2765, 3122, 3160, 3568, 4424, 4460, 5530, 6244, 6320, 7136, 7805, 8848, 8920, 11060, 12488, 12640, 15610, 17617, 17696, 17840, 22120, 24976, 31220, 35234, 35680, 44240, 49952, 62440, 70468, 88085, 88480, 123319, 124880, 140936, 176170, 246638, 249760, 281872, 352340, 493276, 563744, 616595, 704680, 986552, 1233190, 1409360, 1973104, 2466380, 2818720, 3946208, 4932760, 9865520, 19731040]

約数ペア:

[(1, 19731040), (2, 9865520), (4, 4932760), (5, 3946208), (7, 2818720), (8, 2466380), (10, 1973104), (14, 1409360), (16, 1233190), (20, 986552), (28, 704680), (32, 616595), (35, 563744), (40, 493276), (56, 352340), (70, 281872), (79, 249760), (80, 246638), (112, 176170), (140, 140936), (158, 124880), (160, 123319), (223, 88480), (224, 88085), (280, 70468), (316, 62440), (395, 49952), (446, 44240), (553, 35680), (560, 35234), (632, 31220), (790, 24976), (892, 22120), (1106, 17840), (1115, 17696), (1120, 17617), (1264, 15610), (1561, 12640), (1580, 12488), (1784, 11060), (2212, 8920), (2230, 8848), (2528, 7805), (2765, 7136), (3122, 6320), (3160, 6244), (3568, 5530), (4424, 4460)]