178012240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1319}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 475326720

約数和(自身を除く): 297314480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 482, 560, 964, 1205, 1319, 1687, 1928, 2410, 2638, 3374, 3856, 4820, 5276, 6595, 6748, 8435, 9233, 9640, 10552, 13190, 13496, 16870, 18466, 19280, 21104, 26380, 26992, 33740, 36932, 46165, 52760, 67480, 73864, 92330, 105520, 134960, 147728, 184660, 317879, 369320, 635758, 738640, 1271516, 1589395, 2225153, 2543032, 3178790, 4450306, 5086064, 6357580, 8900612, 11125765, 12715160, 17801224, 22251530, 25430320, 35602448, 44503060, 89006120, 178012240]

約数ペア:

[(1, 178012240), (2, 89006120), (4, 44503060), (5, 35602448), (7, 25430320), (8, 22251530), (10, 17801224), (14, 12715160), (16, 11125765), (20, 8900612), (28, 6357580), (35, 5086064), (40, 4450306), (56, 3178790), (70, 2543032), (80, 2225153), (112, 1589395), (140, 1271516), (241, 738640), (280, 635758), (482, 369320), (560, 317879), (964, 184660), (1205, 147728), (1319, 134960), (1687, 105520), (1928, 92330), (2410, 73864), (2638, 67480), (3374, 52760), (3856, 46165), (4820, 36932), (5276, 33740), (6595, 26992), (6748, 26380), (8435, 21104), (9233, 19280), (9640, 18466), (10552, 16870), (13190, 13496)]