1620840960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:815

約数の個数: 240

約数和(自身を含む): 5676225984

約数和(自身を除く): 4055385024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 103, 120, 128, 144, 160, 180, 192, 206, 240, 256, 288, 309, 320, 360, 384, 412, 480, 512, 515, 576, 618, 640, 683, 720, 768, 824, 927, 960, 1030, 1152, 1236, 1280, 1366, 1440, 1536, 1545, 1648, 1854, 1920, 2049, 2060, 2304, 2472, 2560, 2732, 2880, 3090, 3296, 3415, 3708, 3840, 4098, 4120, 4608, 4635, 4944, 5464, 5760, 6147, 6180, 6592, 6830, 7416, 7680, 8196, 8240, 9270, 9888, 10245, 10928, 11520, 12294, 12360, 13184, 13660, 14832, 16392, 16480, 18540, 19776, 20490, 21856, 23040, 24588, 24720, 26368, 27320, 29664, 30735, 32784, 32960, 37080, 39552, 40980, 43712, 49176, 49440, 52736, 54640, 59328, 61470, 65568, 65920, 70349, 74160, 79104, 81960, 87424, 98352, 98880, 109280, 118656, 122940, 131136, 131840, 140698, 148320, 158208, 163920, 174848, 196704, 197760, 211047, 218560, 237312, 245880, 262272, 263680, 281396, 296640, 327840, 349696, 351745, 393408, 395520, 422094, 437120, 474624, 491760, 524544, 562792, 593280, 633141, 655680, 703490, 786816, 791040, 844188, 874240, 983520, 1049088, 1055235, 1125584, 1186560, 1266282, 1311360, 1406980, 1573632, 1688376, 1748480, 1967040, 2110470, 2251168, 2373120, 2532564, 2622720, 2813960, 3147264, 3165705, 3376752, 3934080, 4220940, 4502336, 5065128, 5245440, 5627920, 6331410, 6753504, 7868160, 8441880, 9004672, 10130256, 11255840, 12662820, 13507008, 15736320, 16883760, 18009344, 20260512, 22511680, 25325640, 27014016, 33767520, 36018688, 40521024, 45023360, 50651280, 54028032, 67535040, 81042048, 90046720, 101302560, 108056064, 135070080, 162084096, 180093440, 202605120, 270140160, 324168192, 405210240, 540280320, 810420480, 1620840960]

約数ペア:

[(1, 1620840960), (2, 810420480), (3, 540280320), (4, 405210240), (5, 324168192), (6, 270140160), (8, 202605120), (9, 180093440), (10, 162084096), (12, 135070080), (15, 108056064), (16, 101302560), (18, 90046720), (20, 81042048), (24, 67535040), (30, 54028032), (32, 50651280), (36, 45023360), (40, 40521024), (45, 36018688), (48, 33767520), (60, 27014016), (64, 25325640), (72, 22511680), (80, 20260512), (90, 18009344), (96, 16883760), (103, 15736320), (120, 13507008), (128, 12662820), (144, 11255840), (160, 10130256), (180, 9004672), (192, 8441880), (206, 7868160), (240, 6753504), (256, 6331410), (288, 5627920), (309, 5245440), (320, 5065128), (360, 4502336), (384, 4220940), (412, 3934080), (480, 3376752), (512, 3165705), (515, 3147264), (576, 2813960), (618, 2622720), (640, 2532564), (683, 2373120), (720, 2251168), (768, 2110470), (824, 1967040), (927, 1748480), (960, 1688376), (1030, 1573632), (1152, 1406980), (1236, 1311360), (1280, 1266282), (1366, 1186560), (1440, 1125584), (1536, 1055235), (1545, 1049088), (1648, 983520), (1854, 874240), (1920, 844188), (2049, 791040), (2060, 786816), (2304, 703490), (2472, 655680), (2560, 633141), (2732, 593280), (2880, 562792), (3090, 524544), (3296, 491760), (3415, 474624), (3708, 437120), (3840, 422094), (4098, 395520), (4120, 393408), (4608, 351745), (4635, 349696), (4944, 327840), (5464, 296640), (5760, 281396), (6147, 263680), (6180, 262272), (6592, 245880), (6830, 237312), (7416, 218560), (7680, 211047), (8196, 197760), (8240, 196704), (9270, 174848), (9888, 163920), (10245, 158208), (10928, 148320), (11520, 140698), (12294, 131840), (12360, 131136), (13184, 122940), (13660, 118656), (14832, 109280), (16392, 98880), (16480, 98352), (18540, 87424), (19776, 81960), (20490, 79104), (21856, 74160), (23040, 70349), (24588, 65920), (24720, 65568), (26368, 61470), (27320, 59328), (29664, 54640), (30735, 52736), (32784, 49440), (32960, 49176), (37080, 43712), (39552, 40980)]