84546440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 223948800

約数和(自身を除く): 139402360

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 89, 110, 127, 136, 170, 178, 187, 220, 254, 340, 356, 374, 440, 445, 508, 635, 680, 712, 748, 890, 935, 979, 1016, 1270, 1397, 1496, 1513, 1780, 1870, 1958, 2159, 2540, 2794, 3026, 3560, 3740, 3916, 4318, 4895, 5080, 5588, 6052, 6985, 7480, 7565, 7832, 8636, 9790, 10795, 11176, 11303, 12104, 13970, 15130, 16643, 17272, 19580, 21590, 22606, 23749, 27940, 30260, 33286, 39160, 43180, 45212, 47498, 55880, 56515, 60520, 66572, 83215, 86360, 90424, 94996, 113030, 118745, 124333, 133144, 166430, 189992, 192151, 226060, 237490, 248666, 332860, 384302, 452120, 474980, 497332, 621665, 665720, 768604, 949960, 960755, 994664, 1243330, 1537208, 1921510, 2113661, 2486660, 3843020, 4227322, 4973320, 7686040, 8454644, 10568305, 16909288, 21136610, 42273220, 84546440]

約数ペア:

[(1, 84546440), (2, 42273220), (4, 21136610), (5, 16909288), (8, 10568305), (10, 8454644), (11, 7686040), (17, 4973320), (20, 4227322), (22, 3843020), (34, 2486660), (40, 2113661), (44, 1921510), (55, 1537208), (68, 1243330), (85, 994664), (88, 960755), (89, 949960), (110, 768604), (127, 665720), (136, 621665), (170, 497332), (178, 474980), (187, 452120), (220, 384302), (254, 332860), (340, 248666), (356, 237490), (374, 226060), (440, 192151), (445, 189992), (508, 166430), (635, 133144), (680, 124333), (712, 118745), (748, 113030), (890, 94996), (935, 90424), (979, 86360), (1016, 83215), (1270, 66572), (1397, 60520), (1496, 56515), (1513, 55880), (1780, 47498), (1870, 45212), (1958, 43180), (2159, 39160), (2540, 33286), (2794, 30260), (3026, 27940), (3560, 23749), (3740, 22606), (3916, 21590), (4318, 19580), (4895, 17272), (5080, 16643), (5588, 15130), (6052, 13970), (6985, 12104), (7480, 11303), (7565, 11176), (7832, 10795), (8636, 9790)]