27685980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 101333232

約数和(自身を除く): 73647252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 49, 60, 63, 70, 73, 84, 86, 90, 98, 105, 126, 129, 140, 146, 147, 172, 180, 196, 210, 215, 219, 245, 252, 258, 292, 294, 301, 315, 365, 387, 420, 430, 438, 441, 490, 511, 516, 588, 602, 630, 645, 657, 730, 735, 774, 860, 876, 882, 903, 980, 1022, 1095, 1204, 1260, 1290, 1314, 1460, 1470, 1505, 1533, 1548, 1764, 1806, 1935, 2044, 2107, 2190, 2205, 2555, 2580, 2628, 2709, 2940, 3010, 3066, 3139, 3285, 3577, 3612, 3870, 4214, 4380, 4410, 4515, 4599, 5110, 5418, 6020, 6132, 6278, 6321, 6570, 7154, 7665, 7740, 8428, 8820, 9030, 9198, 9417, 10220, 10535, 10731, 10836, 12556, 12642, 13140, 13545, 14308, 15330, 15695, 17885, 18060, 18396, 18834, 18963, 21070, 21462, 21973, 22995, 25284, 27090, 28251, 30660, 31390, 31605, 32193, 35770, 37668, 37926, 42140, 42924, 43946, 45990, 47085, 53655, 54180, 56502, 62780, 63210, 64386, 65919, 71540, 75852, 87892, 91980, 94170, 94815, 107310, 109865, 113004, 126420, 128772, 131838, 141255, 153811, 160965, 188340, 189630, 197757, 214620, 219730, 263676, 282510, 307622, 321930, 329595, 379260, 395514, 439460, 461433, 565020, 615244, 643860, 659190, 769055, 791028, 922866, 988785, 1318380, 1384299, 1538110, 1845732, 1977570, 2307165, 2768598, 3076220, 3955140, 4614330, 5537196, 6921495, 9228660, 13842990, 27685980]

約数ペア:

[(1, 27685980), (2, 13842990), (3, 9228660), (4, 6921495), (5, 5537196), (6, 4614330), (7, 3955140), (9, 3076220), (10, 2768598), (12, 2307165), (14, 1977570), (15, 1845732), (18, 1538110), (20, 1384299), (21, 1318380), (28, 988785), (30, 922866), (35, 791028), (36, 769055), (42, 659190), (43, 643860), (45, 615244), (49, 565020), (60, 461433), (63, 439460), (70, 395514), (73, 379260), (84, 329595), (86, 321930), (90, 307622), (98, 282510), (105, 263676), (126, 219730), (129, 214620), (140, 197757), (146, 189630), (147, 188340), (172, 160965), (180, 153811), (196, 141255), (210, 131838), (215, 128772), (219, 126420), (245, 113004), (252, 109865), (258, 107310), (292, 94815), (294, 94170), (301, 91980), (315, 87892), (365, 75852), (387, 71540), (420, 65919), (430, 64386), (438, 63210), (441, 62780), (490, 56502), (511, 54180), (516, 53655), (588, 47085), (602, 45990), (630, 43946), (645, 42924), (657, 42140), (730, 37926), (735, 37668), (774, 35770), (860, 32193), (876, 31605), (882, 31390), (903, 30660), (980, 28251), (1022, 27090), (1095, 25284), (1204, 22995), (1260, 21973), (1290, 21462), (1314, 21070), (1460, 18963), (1470, 18834), (1505, 18396), (1533, 18060), (1548, 17885), (1764, 15695), (1806, 15330), (1935, 14308), (2044, 13545), (2107, 13140), (2190, 12642), (2205, 12556), (2555, 10836), (2580, 10731), (2628, 10535), (2709, 10220), (2940, 9417), (3010, 9198), (3066, 9030), (3139, 8820), (3285, 8428), (3577, 7740), (3612, 7665), (3870, 7154), (4214, 6570), (4380, 6321), (4410, 6278), (4515, 6132), (4599, 6020), (5110, 5418)]