256255488

素因数分解:

$2^9\times 3^4\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 200

約数和(自身を含む): 790230672

約数和(自身を除く): 533975184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 81, 96, 108, 111, 128, 144, 148, 162, 167, 192, 216, 222, 256, 288, 296, 324, 333, 334, 384, 432, 444, 501, 512, 576, 592, 648, 666, 668, 768, 864, 888, 999, 1002, 1152, 1184, 1296, 1332, 1336, 1503, 1536, 1728, 1776, 1998, 2004, 2304, 2368, 2592, 2664, 2672, 2997, 3006, 3456, 3552, 3996, 4008, 4509, 4608, 4736, 5184, 5328, 5344, 5994, 6012, 6179, 6912, 7104, 7992, 8016, 9018, 9472, 10368, 10656, 10688, 11988, 12024, 12358, 13527, 13824, 14208, 15984, 16032, 18036, 18537, 18944, 20736, 21312, 21376, 23976, 24048, 24716, 27054, 28416, 31968, 32064, 36072, 37074, 41472, 42624, 42752, 47952, 48096, 49432, 54108, 55611, 56832, 63936, 64128, 72144, 74148, 85248, 85504, 95904, 96192, 98864, 108216, 111222, 127872, 128256, 144288, 148296, 166833, 170496, 191808, 192384, 197728, 216432, 222444, 255744, 256512, 288576, 296592, 333666, 383616, 384768, 395456, 432864, 444888, 500499, 511488, 577152, 593184, 667332, 767232, 769536, 790912, 865728, 889776, 1000998, 1154304, 1186368, 1334664, 1534464, 1581824, 1731456, 1779552, 2001996, 2308608, 2372736, 2669328, 3163648, 3462912, 3559104, 4003992, 4745472, 5338656, 6925824, 7118208, 8007984, 9490944, 10677312, 14236416, 16015968, 21354624, 28472832, 32031936, 42709248, 64063872, 85418496, 128127744, 256255488]

約数ペア:

[(1, 256255488), (2, 128127744), (3, 85418496), (4, 64063872), (6, 42709248), (8, 32031936), (9, 28472832), (12, 21354624), (16, 16015968), (18, 14236416), (24, 10677312), (27, 9490944), (32, 8007984), (36, 7118208), (37, 6925824), (48, 5338656), (54, 4745472), (64, 4003992), (72, 3559104), (74, 3462912), (81, 3163648), (96, 2669328), (108, 2372736), (111, 2308608), (128, 2001996), (144, 1779552), (148, 1731456), (162, 1581824), (167, 1534464), (192, 1334664), (216, 1186368), (222, 1154304), (256, 1000998), (288, 889776), (296, 865728), (324, 790912), (333, 769536), (334, 767232), (384, 667332), (432, 593184), (444, 577152), (501, 511488), (512, 500499), (576, 444888), (592, 432864), (648, 395456), (666, 384768), (668, 383616), (768, 333666), (864, 296592), (888, 288576), (999, 256512), (1002, 255744), (1152, 222444), (1184, 216432), (1296, 197728), (1332, 192384), (1336, 191808), (1503, 170496), (1536, 166833), (1728, 148296), (1776, 144288), (1998, 128256), (2004, 127872), (2304, 111222), (2368, 108216), (2592, 98864), (2664, 96192), (2672, 95904), (2997, 85504), (3006, 85248), (3456, 74148), (3552, 72144), (3996, 64128), (4008, 63936), (4509, 56832), (4608, 55611), (4736, 54108), (5184, 49432), (5328, 48096), (5344, 47952), (5994, 42752), (6012, 42624), (6179, 41472), (6912, 37074), (7104, 36072), (7992, 32064), (8016, 31968), (9018, 28416), (9472, 27054), (10368, 24716), (10656, 24048), (10688, 23976), (11988, 21376), (12024, 21312), (12358, 20736), (13527, 18944), (13824, 18537), (14208, 18036), (15984, 16032)]