491271840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 288

約数和(自身を含む): 1760902416

約数和(自身を除く): 1269630576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 53, 60, 72, 80, 82, 90, 96, 106, 120, 123, 144, 157, 159, 160, 164, 180, 205, 212, 240, 246, 265, 288, 314, 318, 328, 360, 369, 410, 424, 471, 477, 480, 492, 530, 615, 628, 636, 656, 720, 738, 785, 795, 820, 848, 942, 954, 984, 1060, 1230, 1256, 1272, 1312, 1413, 1440, 1476, 1570, 1590, 1640, 1696, 1845, 1884, 1908, 1968, 2120, 2173, 2355, 2385, 2460, 2512, 2544, 2826, 2952, 3140, 3180, 3280, 3690, 3768, 3816, 3936, 4240, 4346, 4710, 4770, 4920, 5024, 5088, 5652, 5904, 6280, 6360, 6437, 6519, 6560, 7065, 7380, 7536, 7632, 8321, 8480, 8692, 9420, 9540, 9840, 10865, 11304, 11808, 12560, 12720, 12874, 13038, 14130, 14760, 15072, 15264, 16642, 17384, 18840, 19080, 19311, 19557, 19680, 21730, 22608, 24963, 25120, 25440, 25748, 26076, 28260, 29520, 32185, 32595, 33284, 34768, 37680, 38160, 38622, 39114, 41605, 43460, 45216, 49926, 51496, 52152, 56520, 57933, 59040, 64370, 65190, 66568, 69536, 74889, 75360, 76320, 77244, 78228, 83210, 86920, 96555, 97785, 99852, 102992, 104304, 113040, 115866, 124815, 128740, 130380, 133136, 149778, 154488, 156456, 166420, 173840, 193110, 195570, 199704, 205984, 208608, 226080, 231732, 249630, 257480, 260760, 266272, 289665, 299556, 308976, 312912, 332840, 341161, 347680, 374445, 386220, 391140, 399408, 463464, 499260, 514960, 521520, 579330, 599112, 617952, 625824, 665680, 682322, 748890, 772440, 782280, 798816, 926928, 998520, 1023483, 1029920, 1043040, 1158660, 1198224, 1331360, 1364644, 1497780, 1544880, 1564560, 1705805, 1853856, 1997040, 2046966, 2317320, 2396448, 2729288, 2995560, 3070449, 3089760, 3129120, 3411610, 3994080, 4093932, 4634640, 5117415, 5458576, 5991120, 6140898, 6823220, 8187864, 9269280, 10234830, 10917152, 11982240, 12281796, 13646440, 15352245, 16375728, 20469660, 24563592, 27292880, 30704490, 32751456, 40939320, 49127184, 54585760, 61408980, 81878640, 98254368, 122817960, 163757280, 245635920, 491271840]

約数ペア:

[(1, 491271840), (2, 245635920), (3, 163757280), (4, 122817960), (5, 98254368), (6, 81878640), (8, 61408980), (9, 54585760), (10, 49127184), (12, 40939320), (15, 32751456), (16, 30704490), (18, 27292880), (20, 24563592), (24, 20469660), (30, 16375728), (32, 15352245), (36, 13646440), (40, 12281796), (41, 11982240), (45, 10917152), (48, 10234830), (53, 9269280), (60, 8187864), (72, 6823220), (80, 6140898), (82, 5991120), (90, 5458576), (96, 5117415), (106, 4634640), (120, 4093932), (123, 3994080), (144, 3411610), (157, 3129120), (159, 3089760), (160, 3070449), (164, 2995560), (180, 2729288), (205, 2396448), (212, 2317320), (240, 2046966), (246, 1997040), (265, 1853856), (288, 1705805), (314, 1564560), (318, 1544880), (328, 1497780), (360, 1364644), (369, 1331360), (410, 1198224), (424, 1158660), (471, 1043040), (477, 1029920), (480, 1023483), (492, 998520), (530, 926928), (615, 798816), (628, 782280), (636, 772440), (656, 748890), (720, 682322), (738, 665680), (785, 625824), (795, 617952), (820, 599112), (848, 579330), (942, 521520), (954, 514960), (984, 499260), (1060, 463464), (1230, 399408), (1256, 391140), (1272, 386220), (1312, 374445), (1413, 347680), (1440, 341161), (1476, 332840), (1570, 312912), (1590, 308976), (1640, 299556), (1696, 289665), (1845, 266272), (1884, 260760), (1908, 257480), (1968, 249630), (2120, 231732), (2173, 226080), (2355, 208608), (2385, 205984), (2460, 199704), (2512, 195570), (2544, 193110), (2826, 173840), (2952, 166420), (3140, 156456), (3180, 154488), (3280, 149778), (3690, 133136), (3768, 130380), (3816, 128740), (3936, 124815), (4240, 115866), (4346, 113040), (4710, 104304), (4770, 102992), (4920, 99852), (5024, 97785), (5088, 96555), (5652, 86920), (5904, 83210), (6280, 78228), (6360, 77244), (6437, 76320), (6519, 75360), (6560, 74889), (7065, 69536), (7380, 66568), (7536, 65190), (7632, 64370), (8321, 59040), (8480, 57933), (8692, 56520), (9420, 52152), (9540, 51496), (9840, 49926), (10865, 45216), (11304, 43460), (11808, 41605), (12560, 39114), (12720, 38622), (12874, 38160), (13038, 37680), (14130, 34768), (14760, 33284), (15072, 32595), (15264, 32185), (16642, 29520), (17384, 28260), (18840, 26076), (19080, 25748), (19311, 25440), (19557, 25120), (19680, 24963), (21730, 22608)]