16492840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 47900160

約数和(自身を除く): 31407320

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, 161, 182, 184, 197, 230, 260, 280, 299, 322, 364, 394, 455, 460, 520, 598, 644, 728, 788, 805, 910, 920, 985, 1196, 1288, 1379, 1495, 1576, 1610, 1820, 1970, 2093, 2392, 2561, 2758, 2990, 3220, 3640, 3940, 4186, 4531, 5122, 5516, 5980, 6440, 6895, 7880, 8372, 9062, 10244, 10465, 11032, 11960, 12805, 13790, 16744, 17927, 18124, 20488, 20930, 22655, 25610, 27580, 31717, 35854, 36248, 41860, 45310, 51220, 55160, 58903, 63434, 71708, 83720, 89635, 90620, 102440, 117806, 126868, 143416, 158585, 179270, 181240, 235612, 253736, 294515, 317170, 358540, 412321, 471224, 589030, 634340, 717080, 824642, 1178060, 1268680, 1649284, 2061605, 2356120, 3298568, 4123210, 8246420, 16492840]

約数ペア:

[(1, 16492840), (2, 8246420), (4, 4123210), (5, 3298568), (7, 2356120), (8, 2061605), (10, 1649284), (13, 1268680), (14, 1178060), (20, 824642), (23, 717080), (26, 634340), (28, 589030), (35, 471224), (40, 412321), (46, 358540), (52, 317170), (56, 294515), (65, 253736), (70, 235612), (91, 181240), (92, 179270), (104, 158585), (115, 143416), (130, 126868), (140, 117806), (161, 102440), (182, 90620), (184, 89635), (197, 83720), (230, 71708), (260, 63434), (280, 58903), (299, 55160), (322, 51220), (364, 45310), (394, 41860), (455, 36248), (460, 35854), (520, 31717), (598, 27580), (644, 25610), (728, 22655), (788, 20930), (805, 20488), (910, 18124), (920, 17927), (985, 16744), (1196, 13790), (1288, 12805), (1379, 11960), (1495, 11032), (1576, 10465), (1610, 10244), (1820, 9062), (1970, 8372), (2093, 7880), (2392, 6895), (2561, 6440), (2758, 5980), (2990, 5516), (3220, 5122), (3640, 4531), (3940, 4186)]