420899328

素因数分解:

$2^9\times 3^5\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 240

約数和(自身を含む): 1340539200

約数和(自身を除く): 919639872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 81, 96, 102, 108, 128, 136, 144, 153, 162, 192, 199, 204, 216, 243, 256, 272, 288, 306, 324, 384, 398, 408, 432, 459, 486, 512, 544, 576, 597, 612, 648, 768, 796, 816, 864, 918, 972, 1088, 1152, 1194, 1224, 1296, 1377, 1536, 1592, 1632, 1728, 1791, 1836, 1944, 2176, 2304, 2388, 2448, 2592, 2754, 3184, 3264, 3383, 3456, 3582, 3672, 3888, 4131, 4352, 4608, 4776, 4896, 5184, 5373, 5508, 6368, 6528, 6766, 6912, 7164, 7344, 7776, 8262, 8704, 9552, 9792, 10149, 10368, 10746, 11016, 12736, 13056, 13532, 13824, 14328, 14688, 15552, 16119, 16524, 19104, 19584, 20298, 20736, 21492, 22032, 25472, 26112, 27064, 28656, 29376, 30447, 31104, 32238, 33048, 38208, 39168, 40596, 41472, 42984, 44064, 48357, 50944, 54128, 57312, 58752, 60894, 62208, 64476, 66096, 76416, 78336, 81192, 85968, 88128, 91341, 96714, 101888, 108256, 114624, 117504, 121788, 124416, 128952, 132192, 152832, 162384, 171936, 176256, 182682, 193428, 216512, 229248, 235008, 243576, 257904, 264384, 274023, 305664, 324768, 343872, 352512, 365364, 386856, 433024, 458496, 487152, 515808, 528768, 548046, 649536, 687744, 705024, 730728, 773712, 822069, 866048, 916992, 974304, 1031616, 1057536, 1096092, 1299072, 1375488, 1461456, 1547424, 1644138, 1732096, 1948608, 2063232, 2115072, 2192184, 2598144, 2750976, 2922912, 3094848, 3288276, 3897216, 4126464, 4384368, 5196288, 5845824, 6189696, 6576552, 7794432, 8252928, 8768736, 11691648, 12379392, 13153104, 15588864, 17537472, 23383296, 24758784, 26306208, 35074944, 46766592, 52612416, 70149888, 105224832, 140299776, 210449664, 420899328]

約数ペア:

[(1, 420899328), (2, 210449664), (3, 140299776), (4, 105224832), (6, 70149888), (8, 52612416), (9, 46766592), (12, 35074944), (16, 26306208), (17, 24758784), (18, 23383296), (24, 17537472), (27, 15588864), (32, 13153104), (34, 12379392), (36, 11691648), (48, 8768736), (51, 8252928), (54, 7794432), (64, 6576552), (68, 6189696), (72, 5845824), (81, 5196288), (96, 4384368), (102, 4126464), (108, 3897216), (128, 3288276), (136, 3094848), (144, 2922912), (153, 2750976), (162, 2598144), (192, 2192184), (199, 2115072), (204, 2063232), (216, 1948608), (243, 1732096), (256, 1644138), (272, 1547424), (288, 1461456), (306, 1375488), (324, 1299072), (384, 1096092), (398, 1057536), (408, 1031616), (432, 974304), (459, 916992), (486, 866048), (512, 822069), (544, 773712), (576, 730728), (597, 705024), (612, 687744), (648, 649536), (768, 548046), (796, 528768), (816, 515808), (864, 487152), (918, 458496), (972, 433024), (1088, 386856), (1152, 365364), (1194, 352512), (1224, 343872), (1296, 324768), (1377, 305664), (1536, 274023), (1592, 264384), (1632, 257904), (1728, 243576), (1791, 235008), (1836, 229248), (1944, 216512), (2176, 193428), (2304, 182682), (2388, 176256), (2448, 171936), (2592, 162384), (2754, 152832), (3184, 132192), (3264, 128952), (3383, 124416), (3456, 121788), (3582, 117504), (3672, 114624), (3888, 108256), (4131, 101888), (4352, 96714), (4608, 91341), (4776, 88128), (4896, 85968), (5184, 81192), (5373, 78336), (5508, 76416), (6368, 66096), (6528, 64476), (6766, 62208), (6912, 60894), (7164, 58752), (7344, 57312), (7776, 54128), (8262, 50944), (8704, 48357), (9552, 44064), (9792, 42984), (10149, 41472), (10368, 40596), (10746, 39168), (11016, 38208), (12736, 33048), (13056, 32238), (13532, 31104), (13824, 30447), (14328, 29376), (14688, 28656), (15552, 27064), (16119, 26112), (16524, 25472), (19104, 22032), (19584, 21492), (20298, 20736)]