156715720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2223

約数の個数: 96

約数和(自身を含む): 421460280

約数和(自身を除く): 264744560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 740, 980, 1036, 1295, 1480, 1813, 1960, 2072, 2161, 2590, 3626, 4322, 5180, 7252, 8644, 9065, 10360, 10805, 14504, 15127, 17288, 18130, 21610, 30254, 36260, 43220, 60508, 72520, 75635, 79957, 86440, 105889, 121016, 151270, 159914, 211778, 302540, 319828, 399785, 423556, 529445, 559699, 605080, 639656, 799570, 847112, 1058890, 1119398, 1599140, 2117780, 2238796, 2798495, 3198280, 3917893, 4235560, 4477592, 5596990, 7835786, 11193980, 15671572, 19589465, 22387960, 31343144, 39178930, 78357860, 156715720]

約数ペア:

[(1, 156715720), (2, 78357860), (4, 39178930), (5, 31343144), (7, 22387960), (8, 19589465), (10, 15671572), (14, 11193980), (20, 7835786), (28, 5596990), (35, 4477592), (37, 4235560), (40, 3917893), (49, 3198280), (56, 2798495), (70, 2238796), (74, 2117780), (98, 1599140), (140, 1119398), (148, 1058890), (185, 847112), (196, 799570), (245, 639656), (259, 605080), (280, 559699), (296, 529445), (370, 423556), (392, 399785), (490, 319828), (518, 302540), (740, 211778), (980, 159914), (1036, 151270), (1295, 121016), (1480, 105889), (1813, 86440), (1960, 79957), (2072, 75635), (2161, 72520), (2590, 60508), (3626, 43220), (4322, 36260), (5180, 30254), (7252, 21610), (8644, 18130), (9065, 17288), (10360, 15127), (10805, 14504)]