128625840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 320

約数和(自身を含む): 519966720

約数和(自身を除く): 391340880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 108, 112, 120, 126, 135, 140, 141, 144, 168, 180, 181, 188, 189, 210, 216, 235, 240, 252, 270, 280, 282, 315, 329, 336, 360, 362, 376, 378, 420, 423, 432, 470, 504, 540, 543, 560, 564, 630, 658, 705, 720, 724, 752, 756, 840, 846, 905, 940, 945, 987, 1008, 1080, 1086, 1128, 1260, 1267, 1269, 1316, 1410, 1448, 1512, 1629, 1645, 1680, 1692, 1810, 1880, 1890, 1974, 2115, 2160, 2172, 2256, 2520, 2534, 2538, 2632, 2715, 2820, 2896, 2961, 3024, 3258, 3290, 3384, 3620, 3760, 3780, 3801, 3948, 4230, 4344, 4887, 4935, 5040, 5068, 5076, 5264, 5430, 5640, 5922, 6335, 6345, 6516, 6580, 6768, 7240, 7560, 7602, 7896, 8145, 8460, 8507, 8688, 8883, 9774, 9870, 10136, 10152, 10860, 11280, 11403, 11844, 12670, 12690, 13032, 13160, 14480, 14805, 15120, 15204, 15792, 16290, 16920, 17014, 17766, 19005, 19548, 19740, 20272, 20304, 21720, 22806, 23688, 24435, 25340, 25380, 25521, 26064, 26320, 29610, 30408, 32580, 33840, 34028, 34209, 35532, 38010, 39096, 39480, 42535, 43440, 44415, 45612, 47376, 48870, 50680, 50760, 51042, 57015, 59220, 59549, 60816, 65160, 68056, 68418, 71064, 76020, 76563, 78192, 78960, 85070, 88830, 91224, 97740, 101360, 101520, 102084, 114030, 118440, 119098, 127605, 130320, 136112, 136836, 142128, 152040, 153126, 170140, 171045, 177660, 178647, 182448, 195480, 204168, 228060, 229689, 236880, 238196, 255210, 273672, 297745, 304080, 306252, 340280, 342090, 355320, 357294, 382815, 390960, 408336, 456120, 459378, 476392, 510420, 535941, 547344, 595490, 612504, 680560, 684180, 710640, 714588, 765630, 893235, 912240, 918756, 952784, 1020840, 1071882, 1148445, 1190980, 1225008, 1368360, 1429176, 1531260, 1607823, 1786470, 1837512, 2041680, 2143764, 2296890, 2381960, 2679705, 2736720, 2858352, 3062520, 3215646, 3572940, 3675024, 4287528, 4593780, 4763920, 5359410, 6125040, 6431292, 7145880, 8039115, 8575056, 9187560, 10718820, 12862584, 14291760, 16078230, 18375120, 21437640, 25725168, 32156460, 42875280, 64312920, 128625840]

約数ペア:

[(1, 128625840), (2, 64312920), (3, 42875280), (4, 32156460), (5, 25725168), (6, 21437640), (7, 18375120), (8, 16078230), (9, 14291760), (10, 12862584), (12, 10718820), (14, 9187560), (15, 8575056), (16, 8039115), (18, 7145880), (20, 6431292), (21, 6125040), (24, 5359410), (27, 4763920), (28, 4593780), (30, 4287528), (35, 3675024), (36, 3572940), (40, 3215646), (42, 3062520), (45, 2858352), (47, 2736720), (48, 2679705), (54, 2381960), (56, 2296890), (60, 2143764), (63, 2041680), (70, 1837512), (72, 1786470), (80, 1607823), (84, 1531260), (90, 1429176), (94, 1368360), (105, 1225008), (108, 1190980), (112, 1148445), (120, 1071882), (126, 1020840), (135, 952784), (140, 918756), (141, 912240), (144, 893235), (168, 765630), (180, 714588), (181, 710640), (188, 684180), (189, 680560), (210, 612504), (216, 595490), (235, 547344), (240, 535941), (252, 510420), (270, 476392), (280, 459378), (282, 456120), (315, 408336), (329, 390960), (336, 382815), (360, 357294), (362, 355320), (376, 342090), (378, 340280), (420, 306252), (423, 304080), (432, 297745), (470, 273672), (504, 255210), (540, 238196), (543, 236880), (560, 229689), (564, 228060), (630, 204168), (658, 195480), (705, 182448), (720, 178647), (724, 177660), (752, 171045), (756, 170140), (840, 153126), (846, 152040), (905, 142128), (940, 136836), (945, 136112), (987, 130320), (1008, 127605), (1080, 119098), (1086, 118440), (1128, 114030), (1260, 102084), (1267, 101520), (1269, 101360), (1316, 97740), (1410, 91224), (1448, 88830), (1512, 85070), (1629, 78960), (1645, 78192), (1680, 76563), (1692, 76020), (1810, 71064), (1880, 68418), (1890, 68056), (1974, 65160), (2115, 60816), (2160, 59549), (2172, 59220), (2256, 57015), (2520, 51042), (2534, 50760), (2538, 50680), (2632, 48870), (2715, 47376), (2820, 45612), (2896, 44415), (2961, 43440), (3024, 42535), (3258, 39480), (3290, 39096), (3384, 38010), (3620, 35532), (3760, 34209), (3780, 34028), (3801, 33840), (3948, 32580), (4230, 30408), (4344, 29610), (4887, 26320), (4935, 26064), (5040, 25521), (5068, 25380), (5076, 25340), (5264, 24435), (5430, 23688), (5640, 22806), (5922, 21720), (6335, 20304), (6345, 20272), (6516, 19740), (6580, 19548), (6768, 19005), (7240, 17766), (7560, 17014), (7602, 16920), (7896, 16290), (8145, 15792), (8460, 15204), (8507, 15120), (8688, 14805), (8883, 14480), (9774, 13160), (9870, 13032), (10136, 12690), (10152, 12670), (10860, 11844), (11280, 11403)]