278628480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:160

約数の個数: 288

約数和(自身を含む): 1053414180

約数和(自身を除く): 774785700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 61, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 122, 128, 130, 144, 156, 160, 180, 183, 192, 195, 208, 234, 240, 244, 260, 288, 305, 312, 320, 360, 366, 384, 390, 416, 468, 480, 488, 520, 549, 576, 585, 610, 624, 640, 720, 732, 780, 793, 832, 915, 936, 960, 976, 1040, 1098, 1152, 1170, 1220, 1248, 1440, 1464, 1560, 1586, 1664, 1830, 1872, 1920, 1952, 2080, 2196, 2340, 2379, 2440, 2496, 2745, 2880, 2928, 3120, 3172, 3660, 3721, 3744, 3904, 3965, 4160, 4392, 4680, 4758, 4880, 4992, 5490, 5760, 5856, 6240, 6344, 7137, 7320, 7442, 7488, 7808, 7930, 8320, 8784, 9360, 9516, 9760, 10980, 11163, 11712, 11895, 12480, 12688, 14274, 14640, 14884, 14976, 15860, 17568, 18605, 18720, 19032, 19520, 21960, 22326, 23424, 23790, 24960, 25376, 28548, 29280, 29768, 31720, 33489, 35136, 35685, 37210, 37440, 38064, 39040, 43920, 44652, 47580, 48373, 50752, 55815, 57096, 58560, 59536, 63440, 66978, 70272, 71370, 74420, 74880, 76128, 87840, 89304, 95160, 96746, 101504, 111630, 114192, 117120, 119072, 126880, 133956, 142740, 145119, 148840, 152256, 167445, 175680, 178608, 190320, 193492, 223260, 228384, 238144, 241865, 253760, 267912, 285480, 290238, 297680, 304512, 334890, 351360, 357216, 380640, 386984, 435357, 446520, 456768, 476288, 483730, 507520, 535824, 570960, 580476, 595360, 669780, 714432, 725595, 761280, 773968, 870714, 893040, 913536, 967460, 1071648, 1141920, 1160952, 1190720, 1339560, 1428864, 1451190, 1522560, 1547936, 1741428, 1786080, 1934920, 2143296, 2176785, 2283840, 2321904, 2381440, 2679120, 2902380, 3095872, 3482856, 3572160, 3869840, 4286592, 4353570, 4567680, 4643808, 5358240, 5804760, 6191744, 6965712, 7144320, 7739680, 8707140, 9287616, 10716480, 11609520, 13931424, 15479360, 17414280, 18575232, 21432960, 23219040, 27862848, 30958720, 34828560, 46438080, 55725696, 69657120, 92876160, 139314240, 278628480]

約数ペア:

[(1, 278628480), (2, 139314240), (3, 92876160), (4, 69657120), (5, 55725696), (6, 46438080), (8, 34828560), (9, 30958720), (10, 27862848), (12, 23219040), (13, 21432960), (15, 18575232), (16, 17414280), (18, 15479360), (20, 13931424), (24, 11609520), (26, 10716480), (30, 9287616), (32, 8707140), (36, 7739680), (39, 7144320), (40, 6965712), (45, 6191744), (48, 5804760), (52, 5358240), (60, 4643808), (61, 4567680), (64, 4353570), (65, 4286592), (72, 3869840), (78, 3572160), (80, 3482856), (90, 3095872), (96, 2902380), (104, 2679120), (117, 2381440), (120, 2321904), (122, 2283840), (128, 2176785), (130, 2143296), (144, 1934920), (156, 1786080), (160, 1741428), (180, 1547936), (183, 1522560), (192, 1451190), (195, 1428864), (208, 1339560), (234, 1190720), (240, 1160952), (244, 1141920), (260, 1071648), (288, 967460), (305, 913536), (312, 893040), (320, 870714), (360, 773968), (366, 761280), (384, 725595), (390, 714432), (416, 669780), (468, 595360), (480, 580476), (488, 570960), (520, 535824), (549, 507520), (576, 483730), (585, 476288), (610, 456768), (624, 446520), (640, 435357), (720, 386984), (732, 380640), (780, 357216), (793, 351360), (832, 334890), (915, 304512), (936, 297680), (960, 290238), (976, 285480), (1040, 267912), (1098, 253760), (1152, 241865), (1170, 238144), (1220, 228384), (1248, 223260), (1440, 193492), (1464, 190320), (1560, 178608), (1586, 175680), (1664, 167445), (1830, 152256), (1872, 148840), (1920, 145119), (1952, 142740), (2080, 133956), (2196, 126880), (2340, 119072), (2379, 117120), (2440, 114192), (2496, 111630), (2745, 101504), (2880, 96746), (2928, 95160), (3120, 89304), (3172, 87840), (3660, 76128), (3721, 74880), (3744, 74420), (3904, 71370), (3965, 70272), (4160, 66978), (4392, 63440), (4680, 59536), (4758, 58560), (4880, 57096), (4992, 55815), (5490, 50752), (5760, 48373), (5856, 47580), (6240, 44652), (6344, 43920), (7137, 39040), (7320, 38064), (7442, 37440), (7488, 37210), (7808, 35685), (7930, 35136), (8320, 33489), (8784, 31720), (9360, 29768), (9516, 29280), (9760, 28548), (10980, 25376), (11163, 24960), (11712, 23790), (11895, 23424), (12480, 22326), (12688, 21960), (14274, 19520), (14640, 19032), (14884, 18720), (14976, 18605), (15860, 17568)]