91578760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 256838400

約数和(自身を除く): 165259640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 139, 140, 181, 182, 260, 278, 280, 362, 364, 455, 520, 556, 695, 724, 728, 905, 910, 973, 1112, 1267, 1390, 1448, 1807, 1810, 1820, 1946, 2353, 2534, 2780, 3614, 3620, 3640, 3892, 4706, 4865, 5068, 5560, 6335, 7228, 7240, 7784, 9035, 9412, 9730, 10136, 11765, 12649, 12670, 14456, 16471, 18070, 18824, 19460, 23530, 25159, 25298, 25340, 32942, 36140, 38920, 47060, 50318, 50596, 50680, 63245, 65884, 72280, 82355, 94120, 100636, 101192, 125795, 126490, 131768, 164710, 176113, 201272, 251590, 252980, 327067, 329420, 352226, 503180, 505960, 654134, 658840, 704452, 880565, 1006360, 1308268, 1408904, 1635335, 1761130, 2289469, 2616536, 3270670, 3522260, 4578938, 6541340, 7044520, 9157876, 11447345, 13082680, 18315752, 22894690, 45789380, 91578760]

約数ペア:

[(1, 91578760), (2, 45789380), (4, 22894690), (5, 18315752), (7, 13082680), (8, 11447345), (10, 9157876), (13, 7044520), (14, 6541340), (20, 4578938), (26, 3522260), (28, 3270670), (35, 2616536), (40, 2289469), (52, 1761130), (56, 1635335), (65, 1408904), (70, 1308268), (91, 1006360), (104, 880565), (130, 704452), (139, 658840), (140, 654134), (181, 505960), (182, 503180), (260, 352226), (278, 329420), (280, 327067), (362, 252980), (364, 251590), (455, 201272), (520, 176113), (556, 164710), (695, 131768), (724, 126490), (728, 125795), (905, 101192), (910, 100636), (973, 94120), (1112, 82355), (1267, 72280), (1390, 65884), (1448, 63245), (1807, 50680), (1810, 50596), (1820, 50318), (1946, 47060), (2353, 38920), (2534, 36140), (2780, 32942), (3614, 25340), (3620, 25298), (3640, 25159), (3892, 23530), (4706, 19460), (4865, 18824), (5068, 18070), (5560, 16471), (6335, 14456), (7228, 12670), (7240, 12649), (7784, 11765), (9035, 10136), (9412, 9730)]