166764640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 465393600

約数和(自身を除く): 298628960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 160, 178, 196, 224, 239, 245, 280, 356, 392, 445, 478, 490, 560, 623, 712, 784, 890, 956, 980, 1120, 1195, 1246, 1424, 1568, 1673, 1780, 1912, 1960, 2390, 2492, 2848, 3115, 3346, 3560, 3824, 3920, 4361, 4780, 4984, 6230, 6692, 7120, 7648, 7840, 8365, 8722, 9560, 9968, 11711, 12460, 13384, 14240, 16730, 17444, 19120, 19936, 21271, 21805, 23422, 24920, 26768, 33460, 34888, 38240, 42542, 43610, 46844, 49840, 53536, 58555, 66920, 69776, 85084, 87220, 93688, 99680, 106355, 117110, 133840, 139552, 148897, 170168, 174440, 187376, 212710, 234220, 267680, 297794, 340336, 348880, 374752, 425420, 468440, 595588, 680672, 697760, 744485, 850840, 936880, 1042279, 1191176, 1488970, 1701680, 1873760, 2084558, 2382352, 2977940, 3403360, 4169116, 4764704, 5211395, 5955880, 8338232, 10422790, 11911760, 16676464, 20845580, 23823520, 33352928, 41691160, 83382320, 166764640]

約数ペア:

[(1, 166764640), (2, 83382320), (4, 41691160), (5, 33352928), (7, 23823520), (8, 20845580), (10, 16676464), (14, 11911760), (16, 10422790), (20, 8338232), (28, 5955880), (32, 5211395), (35, 4764704), (40, 4169116), (49, 3403360), (56, 2977940), (70, 2382352), (80, 2084558), (89, 1873760), (98, 1701680), (112, 1488970), (140, 1191176), (160, 1042279), (178, 936880), (196, 850840), (224, 744485), (239, 697760), (245, 680672), (280, 595588), (356, 468440), (392, 425420), (445, 374752), (478, 348880), (490, 340336), (560, 297794), (623, 267680), (712, 234220), (784, 212710), (890, 187376), (956, 174440), (980, 170168), (1120, 148897), (1195, 139552), (1246, 133840), (1424, 117110), (1568, 106355), (1673, 99680), (1780, 93688), (1912, 87220), (1960, 85084), (2390, 69776), (2492, 66920), (2848, 58555), (3115, 53536), (3346, 49840), (3560, 46844), (3824, 43610), (3920, 42542), (4361, 38240), (4780, 34888), (4984, 33460), (6230, 26768), (6692, 24920), (7120, 23422), (7648, 21805), (7840, 21271), (8365, 19936), (8722, 19120), (9560, 17444), (9968, 16730), (11711, 14240), (12460, 13384)]