261340560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 320

約数和(自身を含む): 997436160

約数和(自身を除く): 736095600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 41, 45, 48, 52, 54, 60, 65, 72, 78, 80, 82, 90, 104, 108, 117, 120, 123, 130, 135, 144, 156, 164, 180, 195, 205, 208, 216, 227, 234, 240, 246, 260, 270, 312, 328, 351, 360, 369, 390, 410, 432, 454, 468, 492, 520, 533, 540, 585, 615, 624, 656, 681, 702, 720, 738, 780, 820, 908, 936, 984, 1040, 1066, 1080, 1107, 1135, 1170, 1230, 1362, 1404, 1476, 1560, 1599, 1640, 1755, 1816, 1845, 1872, 1968, 2043, 2132, 2160, 2214, 2270, 2340, 2460, 2665, 2724, 2808, 2951, 2952, 3120, 3198, 3280, 3405, 3510, 3632, 3690, 4086, 4264, 4428, 4540, 4680, 4797, 4920, 5330, 5448, 5535, 5616, 5902, 5904, 6129, 6396, 6810, 7020, 7380, 7995, 8172, 8528, 8853, 8856, 9080, 9307, 9360, 9594, 9840, 10215, 10660, 10896, 11070, 11804, 12258, 12792, 13620, 14040, 14391, 14755, 14760, 15990, 16344, 17706, 17712, 18160, 18614, 19188, 20430, 21320, 22140, 23608, 23985, 24516, 25584, 26559, 27240, 27921, 28080, 28782, 29510, 29520, 30645, 31980, 32688, 35412, 37228, 38376, 40860, 42640, 44265, 44280, 46535, 47216, 47970, 49032, 53118, 54480, 55842, 57564, 59020, 61290, 63960, 70824, 71955, 74456, 76752, 79677, 81720, 83763, 88530, 88560, 93070, 95940, 98064, 106236, 111684, 115128, 118040, 120991, 122580, 127920, 132795, 139605, 141648, 143910, 148912, 159354, 163440, 167526, 177060, 186140, 191880, 212472, 223368, 230256, 236080, 241982, 245160, 251289, 265590, 279210, 287820, 318708, 335052, 354120, 362973, 372280, 383760, 398385, 418815, 424944, 446736, 483964, 490320, 502578, 531180, 558420, 575640, 604955, 637416, 670104, 708240, 725946, 744560, 796770, 837630, 967928, 1005156, 1062360, 1088919, 1116840, 1151280, 1209910, 1256445, 1274832, 1340208, 1451892, 1593540, 1675260, 1814865, 1935856, 2010312, 2124720, 2177838, 2233680, 2419820, 2512890, 2903784, 3187080, 3266757, 3350520, 3629730, 4020624, 4355676, 4839640, 5025780, 5444595, 5807568, 6374160, 6533514, 6701040, 7259460, 8711352, 9679280, 10051560, 10889190, 13067028, 14518920, 16333785, 17422704, 20103120, 21778380, 26134056, 29037840, 32667570, 43556760, 52268112, 65335140, 87113520, 130670280, 261340560]

約数ペア:

[(1, 261340560), (2, 130670280), (3, 87113520), (4, 65335140), (5, 52268112), (6, 43556760), (8, 32667570), (9, 29037840), (10, 26134056), (12, 21778380), (13, 20103120), (15, 17422704), (16, 16333785), (18, 14518920), (20, 13067028), (24, 10889190), (26, 10051560), (27, 9679280), (30, 8711352), (36, 7259460), (39, 6701040), (40, 6533514), (41, 6374160), (45, 5807568), (48, 5444595), (52, 5025780), (54, 4839640), (60, 4355676), (65, 4020624), (72, 3629730), (78, 3350520), (80, 3266757), (82, 3187080), (90, 2903784), (104, 2512890), (108, 2419820), (117, 2233680), (120, 2177838), (123, 2124720), (130, 2010312), (135, 1935856), (144, 1814865), (156, 1675260), (164, 1593540), (180, 1451892), (195, 1340208), (205, 1274832), (208, 1256445), (216, 1209910), (227, 1151280), (234, 1116840), (240, 1088919), (246, 1062360), (260, 1005156), (270, 967928), (312, 837630), (328, 796770), (351, 744560), (360, 725946), (369, 708240), (390, 670104), (410, 637416), (432, 604955), (454, 575640), (468, 558420), (492, 531180), (520, 502578), (533, 490320), (540, 483964), (585, 446736), (615, 424944), (624, 418815), (656, 398385), (681, 383760), (702, 372280), (720, 362973), (738, 354120), (780, 335052), (820, 318708), (908, 287820), (936, 279210), (984, 265590), (1040, 251289), (1066, 245160), (1080, 241982), (1107, 236080), (1135, 230256), (1170, 223368), (1230, 212472), (1362, 191880), (1404, 186140), (1476, 177060), (1560, 167526), (1599, 163440), (1640, 159354), (1755, 148912), (1816, 143910), (1845, 141648), (1872, 139605), (1968, 132795), (2043, 127920), (2132, 122580), (2160, 120991), (2214, 118040), (2270, 115128), (2340, 111684), (2460, 106236), (2665, 98064), (2724, 95940), (2808, 93070), (2951, 88560), (2952, 88530), (3120, 83763), (3198, 81720), (3280, 79677), (3405, 76752), (3510, 74456), (3632, 71955), (3690, 70824), (4086, 63960), (4264, 61290), (4428, 59020), (4540, 57564), (4680, 55842), (4797, 54480), (4920, 53118), (5330, 49032), (5448, 47970), (5535, 47216), (5616, 46535), (5902, 44280), (5904, 44265), (6129, 42640), (6396, 40860), (6810, 38376), (7020, 37228), (7380, 35412), (7995, 32688), (8172, 31980), (8528, 30645), (8853, 29520), (8856, 29510), (9080, 28782), (9307, 28080), (9360, 27921), (9594, 27240), (9840, 26559), (10215, 25584), (10660, 24516), (10896, 23985), (11070, 23608), (11804, 22140), (12258, 21320), (12792, 20430), (13620, 19188), (14040, 18614), (14391, 18160), (14755, 17712), (14760, 17706), (15990, 16344)]