128737728

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:424

約数の個数: 224

約数和(自身を含む): 448665600

約数和(自身を除く): 319927872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 63, 64, 72, 84, 87, 96, 108, 112, 116, 126, 144, 168, 174, 189, 192, 203, 216, 224, 232, 252, 261, 288, 336, 348, 367, 378, 406, 432, 448, 464, 504, 522, 576, 609, 672, 696, 734, 756, 783, 812, 864, 928, 1008, 1044, 1101, 1218, 1344, 1392, 1468, 1512, 1566, 1624, 1728, 1827, 1856, 2016, 2088, 2202, 2436, 2569, 2784, 2936, 3024, 3132, 3248, 3303, 3654, 4032, 4176, 4404, 4872, 5138, 5481, 5568, 5872, 6048, 6264, 6496, 6606, 7308, 7707, 8352, 8808, 9744, 9909, 10276, 10643, 10962, 11744, 12096, 12528, 12992, 13212, 14616, 15414, 16704, 17616, 19488, 19818, 20552, 21286, 21924, 23121, 23488, 25056, 26424, 29232, 30828, 31929, 35232, 38976, 39636, 41104, 42572, 43848, 46242, 50112, 52848, 58464, 61656, 63858, 69363, 70464, 74501, 79272, 82208, 85144, 87696, 92484, 95787, 105696, 116928, 123312, 127716, 138726, 149002, 158544, 164416, 170288, 175392, 184968, 191574, 211392, 223503, 246624, 255432, 277452, 287361, 298004, 317088, 340576, 350784, 369936, 383148, 447006, 493248, 510864, 554904, 574722, 596008, 634176, 670509, 681152, 739872, 766296, 894012, 1021728, 1109808, 1149444, 1192016, 1341018, 1479744, 1532592, 1788024, 2011527, 2043456, 2219616, 2298888, 2384032, 2682036, 3065184, 3576048, 4023054, 4439232, 4597776, 4768064, 5364072, 6130368, 7152096, 8046108, 9195552, 10728144, 14304192, 16092216, 18391104, 21456288, 32184432, 42912576, 64368864, 128737728]

約数ペア:

[(1, 128737728), (2, 64368864), (3, 42912576), (4, 32184432), (6, 21456288), (7, 18391104), (8, 16092216), (9, 14304192), (12, 10728144), (14, 9195552), (16, 8046108), (18, 7152096), (21, 6130368), (24, 5364072), (27, 4768064), (28, 4597776), (29, 4439232), (32, 4023054), (36, 3576048), (42, 3065184), (48, 2682036), (54, 2384032), (56, 2298888), (58, 2219616), (63, 2043456), (64, 2011527), (72, 1788024), (84, 1532592), (87, 1479744), (96, 1341018), (108, 1192016), (112, 1149444), (116, 1109808), (126, 1021728), (144, 894012), (168, 766296), (174, 739872), (189, 681152), (192, 670509), (203, 634176), (216, 596008), (224, 574722), (232, 554904), (252, 510864), (261, 493248), (288, 447006), (336, 383148), (348, 369936), (367, 350784), (378, 340576), (406, 317088), (432, 298004), (448, 287361), (464, 277452), (504, 255432), (522, 246624), (576, 223503), (609, 211392), (672, 191574), (696, 184968), (734, 175392), (756, 170288), (783, 164416), (812, 158544), (864, 149002), (928, 138726), (1008, 127716), (1044, 123312), (1101, 116928), (1218, 105696), (1344, 95787), (1392, 92484), (1468, 87696), (1512, 85144), (1566, 82208), (1624, 79272), (1728, 74501), (1827, 70464), (1856, 69363), (2016, 63858), (2088, 61656), (2202, 58464), (2436, 52848), (2569, 50112), (2784, 46242), (2936, 43848), (3024, 42572), (3132, 41104), (3248, 39636), (3303, 38976), (3654, 35232), (4032, 31929), (4176, 30828), (4404, 29232), (4872, 26424), (5138, 25056), (5481, 23488), (5568, 23121), (5872, 21924), (6048, 21286), (6264, 20552), (6496, 19818), (6606, 19488), (7308, 17616), (7707, 16704), (8352, 15414), (8808, 14616), (9744, 13212), (9909, 12992), (10276, 12528), (10643, 12096), (10962, 11744)]