77900520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 247357440

約数和(自身を除く): 169456920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 487, 516, 620, 645, 744, 860, 930, 974, 1032, 1240, 1290, 1333, 1461, 1720, 1860, 1948, 2435, 2580, 2666, 2922, 3720, 3896, 3999, 4870, 5160, 5332, 5844, 6665, 7305, 7998, 9740, 10664, 11688, 13330, 14610, 15097, 15996, 19480, 19995, 20941, 26660, 29220, 30194, 31992, 39990, 41882, 45291, 53320, 58440, 60388, 62823, 75485, 79980, 83764, 90582, 104705, 120776, 125646, 150970, 159960, 167528, 181164, 209410, 226455, 251292, 301940, 314115, 362328, 418820, 452910, 502584, 603880, 628230, 649171, 837640, 905820, 1256460, 1298342, 1811640, 1947513, 2512920, 2596684, 3245855, 3895026, 5193368, 6491710, 7790052, 9737565, 12983420, 15580104, 19475130, 25966840, 38950260, 77900520]

約数ペア:

[(1, 77900520), (2, 38950260), (3, 25966840), (4, 19475130), (5, 15580104), (6, 12983420), (8, 9737565), (10, 7790052), (12, 6491710), (15, 5193368), (20, 3895026), (24, 3245855), (30, 2596684), (31, 2512920), (40, 1947513), (43, 1811640), (60, 1298342), (62, 1256460), (86, 905820), (93, 837640), (120, 649171), (124, 628230), (129, 603880), (155, 502584), (172, 452910), (186, 418820), (215, 362328), (248, 314115), (258, 301940), (310, 251292), (344, 226455), (372, 209410), (430, 181164), (465, 167528), (487, 159960), (516, 150970), (620, 125646), (645, 120776), (744, 104705), (860, 90582), (930, 83764), (974, 79980), (1032, 75485), (1240, 62823), (1290, 60388), (1333, 58440), (1461, 53320), (1720, 45291), (1860, 41882), (1948, 39990), (2435, 31992), (2580, 30194), (2666, 29220), (2922, 26660), (3720, 20941), (3896, 19995), (3999, 19480), (4870, 15996), (5160, 15097), (5332, 14610), (5844, 13330), (6665, 11688), (7305, 10664), (7998, 9740)]