81282744

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 238080000

約数和(自身を除く): 156797256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 61, 62, 72, 93, 108, 122, 124, 183, 186, 199, 216, 244, 248, 279, 366, 372, 398, 488, 549, 558, 597, 732, 744, 796, 837, 1098, 1116, 1194, 1464, 1592, 1647, 1674, 1791, 1891, 2196, 2232, 2388, 3294, 3348, 3582, 3782, 4392, 4776, 5373, 5673, 6169, 6588, 6696, 7164, 7564, 10746, 11346, 12139, 12338, 13176, 14328, 15128, 17019, 18507, 21492, 22692, 24278, 24676, 34038, 36417, 37014, 42984, 45384, 48556, 49352, 51057, 55521, 68076, 72834, 74028, 97112, 102114, 109251, 111042, 136152, 145668, 148056, 166563, 204228, 218502, 222084, 291336, 327753, 333126, 376309, 408456, 437004, 444168, 655506, 666252, 752618, 874008, 1128927, 1311012, 1332504, 1505236, 2257854, 2622024, 3010472, 3386781, 4515708, 6773562, 9031416, 10160343, 13547124, 20320686, 27094248, 40641372, 81282744]

約数ペア:

[(1, 81282744), (2, 40641372), (3, 27094248), (4, 20320686), (6, 13547124), (8, 10160343), (9, 9031416), (12, 6773562), (18, 4515708), (24, 3386781), (27, 3010472), (31, 2622024), (36, 2257854), (54, 1505236), (61, 1332504), (62, 1311012), (72, 1128927), (93, 874008), (108, 752618), (122, 666252), (124, 655506), (183, 444168), (186, 437004), (199, 408456), (216, 376309), (244, 333126), (248, 327753), (279, 291336), (366, 222084), (372, 218502), (398, 204228), (488, 166563), (549, 148056), (558, 145668), (597, 136152), (732, 111042), (744, 109251), (796, 102114), (837, 97112), (1098, 74028), (1116, 72834), (1194, 68076), (1464, 55521), (1592, 51057), (1647, 49352), (1674, 48556), (1791, 45384), (1891, 42984), (2196, 37014), (2232, 36417), (2388, 34038), (3294, 24676), (3348, 24278), (3582, 22692), (3782, 21492), (4392, 18507), (4776, 17019), (5373, 15128), (5673, 14328), (6169, 13176), (6588, 12338), (6696, 12139), (7164, 11346), (7564, 10746)]