25539660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 83865600

約数和(自身を除く): 58325940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 199, 207, 230, 276, 279, 310, 345, 372, 398, 414, 460, 465, 558, 597, 620, 690, 713, 796, 828, 930, 995, 1035, 1116, 1194, 1380, 1395, 1426, 1791, 1860, 1990, 2070, 2139, 2388, 2790, 2852, 2985, 3565, 3582, 3980, 4140, 4278, 4577, 5580, 5970, 6169, 6417, 7130, 7164, 8556, 8955, 9154, 10695, 11940, 12338, 12834, 13731, 14260, 17910, 18308, 18507, 21390, 22885, 24676, 25668, 27462, 30845, 32085, 35820, 37014, 41193, 42780, 45770, 54924, 55521, 61690, 64170, 68655, 74028, 82386, 91540, 92535, 111042, 123380, 128340, 137310, 141887, 164772, 185070, 205965, 222084, 274620, 277605, 283774, 370140, 411930, 425661, 555210, 567548, 709435, 823860, 851322, 1110420, 1276983, 1418870, 1702644, 2128305, 2553966, 2837740, 4256610, 5107932, 6384915, 8513220, 12769830, 25539660]

約数ペア:

[(1, 25539660), (2, 12769830), (3, 8513220), (4, 6384915), (5, 5107932), (6, 4256610), (9, 2837740), (10, 2553966), (12, 2128305), (15, 1702644), (18, 1418870), (20, 1276983), (23, 1110420), (30, 851322), (31, 823860), (36, 709435), (45, 567548), (46, 555210), (60, 425661), (62, 411930), (69, 370140), (90, 283774), (92, 277605), (93, 274620), (115, 222084), (124, 205965), (138, 185070), (155, 164772), (180, 141887), (186, 137310), (199, 128340), (207, 123380), (230, 111042), (276, 92535), (279, 91540), (310, 82386), (345, 74028), (372, 68655), (398, 64170), (414, 61690), (460, 55521), (465, 54924), (558, 45770), (597, 42780), (620, 41193), (690, 37014), (713, 35820), (796, 32085), (828, 30845), (930, 27462), (995, 25668), (1035, 24676), (1116, 22885), (1194, 21390), (1380, 18507), (1395, 18308), (1426, 17910), (1791, 14260), (1860, 13731), (1990, 12834), (2070, 12338), (2139, 11940), (2388, 10695), (2790, 9154), (2852, 8955), (2985, 8556), (3565, 7164), (3582, 7130), (3980, 6417), (4140, 6169), (4278, 5970), (4577, 5580)]