79980840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 192

約数和(自身を含む): 276307200

約数和(自身を除く): 196326360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 47, 58, 60, 72, 87, 90, 94, 116, 120, 141, 145, 163, 174, 180, 188, 232, 235, 261, 282, 290, 326, 348, 360, 376, 423, 435, 470, 489, 522, 564, 580, 652, 696, 705, 815, 846, 870, 940, 978, 1044, 1128, 1160, 1304, 1305, 1363, 1410, 1467, 1630, 1692, 1740, 1880, 1956, 2088, 2115, 2445, 2610, 2726, 2820, 2934, 3260, 3384, 3480, 3912, 4089, 4230, 4727, 4890, 5220, 5452, 5640, 5868, 6520, 6815, 7335, 7661, 8178, 8460, 9454, 9780, 10440, 10904, 11736, 12267, 13630, 14181, 14670, 15322, 16356, 16920, 18908, 19560, 20445, 22983, 23635, 24534, 27260, 28362, 29340, 30644, 32712, 37816, 38305, 40890, 42543, 45966, 47270, 49068, 54520, 56724, 58680, 61288, 61335, 68949, 70905, 76610, 81780, 85086, 91932, 94540, 98136, 113448, 114915, 122670, 137898, 141810, 153220, 163560, 170172, 183864, 189080, 212715, 222169, 229830, 245340, 275796, 283620, 306440, 340344, 344745, 425430, 444338, 459660, 490680, 551592, 567240, 666507, 689490, 850860, 888676, 919320, 1110845, 1333014, 1378980, 1701720, 1777352, 1999521, 2221690, 2666028, 2757960, 3332535, 3999042, 4443380, 5332056, 6665070, 7998084, 8886760, 9997605, 13330140, 15996168, 19995210, 26660280, 39990420, 79980840]

約数ペア:

[(1, 79980840), (2, 39990420), (3, 26660280), (4, 19995210), (5, 15996168), (6, 13330140), (8, 9997605), (9, 8886760), (10, 7998084), (12, 6665070), (15, 5332056), (18, 4443380), (20, 3999042), (24, 3332535), (29, 2757960), (30, 2666028), (36, 2221690), (40, 1999521), (45, 1777352), (47, 1701720), (58, 1378980), (60, 1333014), (72, 1110845), (87, 919320), (90, 888676), (94, 850860), (116, 689490), (120, 666507), (141, 567240), (145, 551592), (163, 490680), (174, 459660), (180, 444338), (188, 425430), (232, 344745), (235, 340344), (261, 306440), (282, 283620), (290, 275796), (326, 245340), (348, 229830), (360, 222169), (376, 212715), (423, 189080), (435, 183864), (470, 170172), (489, 163560), (522, 153220), (564, 141810), (580, 137898), (652, 122670), (696, 114915), (705, 113448), (815, 98136), (846, 94540), (870, 91932), (940, 85086), (978, 81780), (1044, 76610), (1128, 70905), (1160, 68949), (1304, 61335), (1305, 61288), (1363, 58680), (1410, 56724), (1467, 54520), (1630, 49068), (1692, 47270), (1740, 45966), (1880, 42543), (1956, 40890), (2088, 38305), (2115, 37816), (2445, 32712), (2610, 30644), (2726, 29340), (2820, 28362), (2934, 27260), (3260, 24534), (3384, 23635), (3480, 22983), (3912, 20445), (4089, 19560), (4230, 18908), (4727, 16920), (4890, 16356), (5220, 15322), (5452, 14670), (5640, 14181), (5868, 13630), (6520, 12267), (6815, 11736), (7335, 10904), (7661, 10440), (8178, 9780), (8460, 9454)]