171181640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1459

約数の個数: 128

約数和(自身を含む): 483840000

約数和(自身を除く): 312658360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1288, 1330, 1399, 1610, 1748, 2185, 2660, 2798, 3059, 3220, 3496, 4370, 5320, 5596, 6118, 6440, 6995, 8740, 9793, 11192, 12236, 13990, 15295, 17480, 19586, 24472, 26581, 27980, 30590, 32177, 39172, 48965, 53162, 55960, 61180, 64354, 78344, 97930, 106324, 122360, 128708, 132905, 160885, 186067, 195860, 212648, 225239, 257416, 265810, 321770, 372134, 391720, 450478, 531620, 611363, 643540, 744268, 900956, 930335, 1063240, 1126195, 1222726, 1287080, 1488536, 1801912, 1860670, 2252390, 2445452, 3056815, 3721340, 4279541, 4504780, 4890904, 6113630, 7442680, 8559082, 9009560, 12227260, 17118164, 21397705, 24454520, 34236328, 42795410, 85590820, 171181640]

約数ペア:

[(1, 171181640), (2, 85590820), (4, 42795410), (5, 34236328), (7, 24454520), (8, 21397705), (10, 17118164), (14, 12227260), (19, 9009560), (20, 8559082), (23, 7442680), (28, 6113630), (35, 4890904), (38, 4504780), (40, 4279541), (46, 3721340), (56, 3056815), (70, 2445452), (76, 2252390), (92, 1860670), (95, 1801912), (115, 1488536), (133, 1287080), (140, 1222726), (152, 1126195), (161, 1063240), (184, 930335), (190, 900956), (230, 744268), (266, 643540), (280, 611363), (322, 531620), (380, 450478), (437, 391720), (460, 372134), (532, 321770), (644, 265810), (665, 257416), (760, 225239), (805, 212648), (874, 195860), (920, 186067), (1064, 160885), (1288, 132905), (1330, 128708), (1399, 122360), (1610, 106324), (1748, 97930), (2185, 78344), (2660, 64354), (2798, 61180), (3059, 55960), (3220, 53162), (3496, 48965), (4370, 39172), (5320, 32177), (5596, 30590), (6118, 27980), (6440, 26581), (6995, 24472), (8740, 19586), (9793, 17480), (11192, 15295), (12236, 13990)]