263464040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 707788800

約数和(自身を除く): 444324760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 127, 140, 155, 217, 239, 248, 254, 280, 310, 434, 478, 508, 620, 635, 868, 889, 956, 1016, 1085, 1195, 1240, 1270, 1673, 1736, 1778, 1912, 2170, 2390, 2540, 3346, 3556, 3937, 4340, 4445, 4780, 5080, 6692, 7112, 7409, 7874, 8365, 8680, 8890, 9560, 13384, 14818, 15748, 16730, 17780, 19685, 27559, 29636, 30353, 31496, 33460, 35560, 37045, 39370, 51863, 55118, 59272, 60706, 66920, 74090, 78740, 103726, 110236, 121412, 137795, 148180, 151765, 157480, 207452, 212471, 220472, 242824, 259315, 275590, 296360, 303530, 414904, 424942, 518630, 551180, 607060, 849884, 940943, 1037260, 1062355, 1102360, 1214120, 1699768, 1881886, 2074520, 2124710, 3763772, 4249420, 4704715, 6586601, 7527544, 8498840, 9409430, 13173202, 18818860, 26346404, 32933005, 37637720, 52692808, 65866010, 131732020, 263464040]

約数ペア:

[(1, 263464040), (2, 131732020), (4, 65866010), (5, 52692808), (7, 37637720), (8, 32933005), (10, 26346404), (14, 18818860), (20, 13173202), (28, 9409430), (31, 8498840), (35, 7527544), (40, 6586601), (56, 4704715), (62, 4249420), (70, 3763772), (124, 2124710), (127, 2074520), (140, 1881886), (155, 1699768), (217, 1214120), (239, 1102360), (248, 1062355), (254, 1037260), (280, 940943), (310, 849884), (434, 607060), (478, 551180), (508, 518630), (620, 424942), (635, 414904), (868, 303530), (889, 296360), (956, 275590), (1016, 259315), (1085, 242824), (1195, 220472), (1240, 212471), (1270, 207452), (1673, 157480), (1736, 151765), (1778, 148180), (1912, 137795), (2170, 121412), (2390, 110236), (2540, 103726), (3346, 78740), (3556, 74090), (3937, 66920), (4340, 60706), (4445, 59272), (4780, 55118), (5080, 51863), (6692, 39370), (7112, 37045), (7409, 35560), (7874, 33460), (8365, 31496), (8680, 30353), (8890, 29636), (9560, 27559), (13384, 19685), (14818, 17780), (15748, 16730)]