257951520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 948205440

約数和(自身を除く): 690253920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 71, 72, 80, 87, 90, 96, 108, 116, 120, 135, 142, 144, 145, 160, 174, 180, 213, 216, 232, 240, 261, 270, 284, 288, 290, 348, 355, 360, 426, 432, 435, 464, 480, 522, 540, 568, 580, 639, 696, 710, 720, 783, 841, 852, 864, 870, 928, 1044, 1065, 1080, 1136, 1160, 1278, 1305, 1392, 1420, 1440, 1566, 1682, 1704, 1740, 1917, 2059, 2088, 2130, 2160, 2272, 2320, 2523, 2556, 2610, 2784, 2840, 3132, 3195, 3364, 3408, 3480, 3834, 3915, 4118, 4176, 4205, 4260, 4320, 4640, 5046, 5112, 5220, 5680, 6177, 6264, 6390, 6728, 6816, 6960, 7569, 7668, 7830, 8236, 8352, 8410, 8520, 9585, 10092, 10224, 10295, 10440, 11360, 12354, 12528, 12615, 12780, 13456, 13920, 15138, 15336, 15660, 16472, 16820, 17040, 18531, 19170, 20184, 20448, 20590, 20880, 22707, 24708, 25056, 25230, 25560, 26912, 30276, 30672, 30885, 31320, 32944, 33640, 34080, 37062, 37845, 38340, 40368, 41180, 41760, 45414, 49416, 50460, 51120, 55593, 59711, 60552, 61344, 61770, 62640, 65888, 67280, 74124, 75690, 76680, 80736, 82360, 90828, 92655, 98832, 100920, 102240, 111186, 113535, 119422, 121104, 123540, 125280, 134560, 148248, 151380, 153360, 164720, 179133, 181656, 185310, 197664, 201840, 222372, 227070, 238844, 242208, 247080, 277965, 296496, 298555, 302760, 306720, 329440, 358266, 363312, 370620, 403680, 444744, 454140, 477688, 494160, 537399, 555930, 592992, 597110, 605520, 716532, 726624, 741240, 889488, 895665, 908280, 955376, 988320, 1074798, 1111860, 1194220, 1211040, 1433064, 1482480, 1612197, 1778976, 1791330, 1816560, 1910752, 2149596, 2223720, 2388440, 2686995, 2866128, 2964960, 3224394, 3582660, 3633120, 4299192, 4447440, 4776880, 5373990, 5732256, 6448788, 7165320, 8060985, 8598384, 8894880, 9553760, 10747980, 12897576, 14330640, 16121970, 17196768, 21495960, 25795152, 28661280, 32243940, 42991920, 51590304, 64487880, 85983840, 128975760, 257951520]

約数ペア:

[(1, 257951520), (2, 128975760), (3, 85983840), (4, 64487880), (5, 51590304), (6, 42991920), (8, 32243940), (9, 28661280), (10, 25795152), (12, 21495960), (15, 17196768), (16, 16121970), (18, 14330640), (20, 12897576), (24, 10747980), (27, 9553760), (29, 8894880), (30, 8598384), (32, 8060985), (36, 7165320), (40, 6448788), (45, 5732256), (48, 5373990), (54, 4776880), (58, 4447440), (60, 4299192), (71, 3633120), (72, 3582660), (80, 3224394), (87, 2964960), (90, 2866128), (96, 2686995), (108, 2388440), (116, 2223720), (120, 2149596), (135, 1910752), (142, 1816560), (144, 1791330), (145, 1778976), (160, 1612197), (174, 1482480), (180, 1433064), (213, 1211040), (216, 1194220), (232, 1111860), (240, 1074798), (261, 988320), (270, 955376), (284, 908280), (288, 895665), (290, 889488), (348, 741240), (355, 726624), (360, 716532), (426, 605520), (432, 597110), (435, 592992), (464, 555930), (480, 537399), (522, 494160), (540, 477688), (568, 454140), (580, 444744), (639, 403680), (696, 370620), (710, 363312), (720, 358266), (783, 329440), (841, 306720), (852, 302760), (864, 298555), (870, 296496), (928, 277965), (1044, 247080), (1065, 242208), (1080, 238844), (1136, 227070), (1160, 222372), (1278, 201840), (1305, 197664), (1392, 185310), (1420, 181656), (1440, 179133), (1566, 164720), (1682, 153360), (1704, 151380), (1740, 148248), (1917, 134560), (2059, 125280), (2088, 123540), (2130, 121104), (2160, 119422), (2272, 113535), (2320, 111186), (2523, 102240), (2556, 100920), (2610, 98832), (2784, 92655), (2840, 90828), (3132, 82360), (3195, 80736), (3364, 76680), (3408, 75690), (3480, 74124), (3834, 67280), (3915, 65888), (4118, 62640), (4176, 61770), (4205, 61344), (4260, 60552), (4320, 59711), (4640, 55593), (5046, 51120), (5112, 50460), (5220, 49416), (5680, 45414), (6177, 41760), (6264, 41180), (6390, 40368), (6728, 38340), (6816, 37845), (6960, 37062), (7569, 34080), (7668, 33640), (7830, 32944), (8236, 31320), (8352, 30885), (8410, 30672), (8520, 30276), (9585, 26912), (10092, 25560), (10224, 25230), (10295, 25056), (10440, 24708), (11360, 22707), (12354, 20880), (12528, 20590), (12615, 20448), (12780, 20184), (13456, 19170), (13920, 18531), (15138, 17040), (15336, 16820), (15660, 16472)]