328667240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:783

約数の個数: 128

約数和(自身を含む): 860958720

約数和(自身を除く): 532291480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 47, 55, 88, 92, 94, 110, 115, 184, 188, 220, 230, 235, 253, 376, 440, 460, 470, 506, 517, 691, 920, 940, 1012, 1034, 1081, 1265, 1382, 1880, 2024, 2068, 2162, 2530, 2585, 2764, 3455, 4136, 4324, 5060, 5170, 5405, 5528, 6910, 7601, 8648, 10120, 10340, 10810, 11891, 13820, 15202, 15893, 20680, 21620, 23782, 27640, 30404, 31786, 32477, 38005, 43240, 47564, 59455, 60808, 63572, 64954, 76010, 79465, 95128, 118910, 127144, 129908, 152020, 158930, 162385, 174823, 237820, 259816, 304040, 317860, 324770, 349646, 357247, 475640, 635720, 649540, 699292, 714494, 746971, 874115, 1299080, 1398584, 1428988, 1493942, 1748230, 1786235, 2857976, 2987884, 3496460, 3572470, 3734855, 5975768, 6992920, 7144940, 7469710, 8216681, 14289880, 14939420, 16433362, 29878840, 32866724, 41083405, 65733448, 82166810, 164333620, 328667240]

約数ペア:

[(1, 328667240), (2, 164333620), (4, 82166810), (5, 65733448), (8, 41083405), (10, 32866724), (11, 29878840), (20, 16433362), (22, 14939420), (23, 14289880), (40, 8216681), (44, 7469710), (46, 7144940), (47, 6992920), (55, 5975768), (88, 3734855), (92, 3572470), (94, 3496460), (110, 2987884), (115, 2857976), (184, 1786235), (188, 1748230), (220, 1493942), (230, 1428988), (235, 1398584), (253, 1299080), (376, 874115), (440, 746971), (460, 714494), (470, 699292), (506, 649540), (517, 635720), (691, 475640), (920, 357247), (940, 349646), (1012, 324770), (1034, 317860), (1081, 304040), (1265, 259816), (1382, 237820), (1880, 174823), (2024, 162385), (2068, 158930), (2162, 152020), (2530, 129908), (2585, 127144), (2764, 118910), (3455, 95128), (4136, 79465), (4324, 76010), (5060, 64954), (5170, 63572), (5405, 60808), (5528, 59455), (6910, 47564), (7601, 43240), (8648, 38005), (10120, 32477), (10340, 31786), (10810, 30404), (11891, 27640), (13820, 23782), (15202, 21620), (15893, 20680)]