161558640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:967

約数の個数: 120

約数和(自身を含む): 544862448

約数和(自身を除く): 383303808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 457, 491, 720, 914, 982, 1371, 1473, 1828, 1964, 2285, 2455, 2742, 2946, 3656, 3928, 4113, 4419, 4570, 4910, 5484, 5892, 6855, 7312, 7365, 7856, 8226, 8838, 9140, 9820, 10968, 11784, 13710, 14730, 16452, 17676, 18280, 19640, 20565, 21936, 22095, 23568, 27420, 29460, 32904, 35352, 36560, 39280, 41130, 44190, 54840, 58920, 65808, 70704, 82260, 88380, 109680, 117840, 164520, 176760, 224387, 329040, 353520, 448774, 673161, 897548, 1121935, 1346322, 1795096, 2019483, 2243870, 2692644, 3365805, 3590192, 4038966, 4487740, 5385288, 6731610, 8077932, 8975480, 10097415, 10770576, 13463220, 16155864, 17950960, 20194830, 26926440, 32311728, 40389660, 53852880, 80779320, 161558640]

約数ペア:

[(1, 161558640), (2, 80779320), (3, 53852880), (4, 40389660), (5, 32311728), (6, 26926440), (8, 20194830), (9, 17950960), (10, 16155864), (12, 13463220), (15, 10770576), (16, 10097415), (18, 8975480), (20, 8077932), (24, 6731610), (30, 5385288), (36, 4487740), (40, 4038966), (45, 3590192), (48, 3365805), (60, 2692644), (72, 2243870), (80, 2019483), (90, 1795096), (120, 1346322), (144, 1121935), (180, 897548), (240, 673161), (360, 448774), (457, 353520), (491, 329040), (720, 224387), (914, 176760), (982, 164520), (1371, 117840), (1473, 109680), (1828, 88380), (1964, 82260), (2285, 70704), (2455, 65808), (2742, 58920), (2946, 54840), (3656, 44190), (3928, 41130), (4113, 39280), (4419, 36560), (4570, 35352), (4910, 32904), (5484, 29460), (5892, 27420), (6855, 23568), (7312, 22095), (7365, 21936), (7856, 20565), (8226, 19640), (8838, 18280), (9140, 17676), (9820, 16452), (10968, 14730), (11784, 13710)]