13144040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 38223360

約数和(自身を除く): 25079320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 157, 161, 182, 184, 230, 260, 280, 299, 314, 322, 364, 455, 460, 520, 598, 628, 644, 728, 785, 805, 910, 920, 1099, 1196, 1256, 1288, 1495, 1570, 1610, 1820, 2041, 2093, 2198, 2392, 2990, 3140, 3220, 3611, 3640, 4082, 4186, 4396, 5495, 5980, 6280, 6440, 7222, 8164, 8372, 8792, 10205, 10465, 10990, 11960, 14287, 14444, 16328, 16744, 18055, 20410, 20930, 21980, 25277, 28574, 28888, 36110, 40820, 41860, 43960, 46943, 50554, 57148, 71435, 72220, 81640, 83720, 93886, 101108, 114296, 126385, 142870, 144440, 187772, 202216, 234715, 252770, 285740, 328601, 375544, 469430, 505540, 571480, 657202, 938860, 1011080, 1314404, 1643005, 1877720, 2628808, 3286010, 6572020, 13144040]

約数ペア:

[(1, 13144040), (2, 6572020), (4, 3286010), (5, 2628808), (7, 1877720), (8, 1643005), (10, 1314404), (13, 1011080), (14, 938860), (20, 657202), (23, 571480), (26, 505540), (28, 469430), (35, 375544), (40, 328601), (46, 285740), (52, 252770), (56, 234715), (65, 202216), (70, 187772), (91, 144440), (92, 142870), (104, 126385), (115, 114296), (130, 101108), (140, 93886), (157, 83720), (161, 81640), (182, 72220), (184, 71435), (230, 57148), (260, 50554), (280, 46943), (299, 43960), (314, 41860), (322, 40820), (364, 36110), (455, 28888), (460, 28574), (520, 25277), (598, 21980), (628, 20930), (644, 20410), (728, 18055), (785, 16744), (805, 16328), (910, 14444), (920, 14287), (1099, 11960), (1196, 10990), (1256, 10465), (1288, 10205), (1495, 8792), (1570, 8372), (1610, 8164), (1820, 7222), (2041, 6440), (2093, 6280), (2198, 5980), (2392, 5495), (2990, 4396), (3140, 4186), (3220, 4082), (3611, 3640)]