18213437440

素因数分解:

$2^{16}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 272

約数和(自身を含む): 49525963776

約数和(自身を除く): 31312526336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 163, 176, 220, 248, 256, 310, 320, 326, 341, 352, 440, 496, 512, 620, 640, 652, 682, 704, 815, 880, 992, 1024, 1240, 1280, 1304, 1364, 1408, 1630, 1705, 1760, 1793, 1984, 2048, 2480, 2560, 2608, 2728, 2816, 3260, 3410, 3520, 3586, 3968, 4096, 4960, 5053, 5120, 5216, 5456, 5632, 6520, 6820, 7040, 7172, 7936, 8192, 8965, 9920, 10106, 10240, 10432, 10912, 11264, 13040, 13640, 14080, 14344, 15872, 16384, 17930, 19840, 20212, 20480, 20864, 21824, 22528, 25265, 26080, 27280, 28160, 28688, 31744, 32768, 35860, 39680, 40424, 40960, 41728, 43648, 45056, 50530, 52160, 54560, 55583, 56320, 57376, 63488, 65536, 71720, 79360, 80848, 81920, 83456, 87296, 90112, 101060, 104320, 109120, 111166, 112640, 114752, 126976, 143440, 158720, 161696, 163840, 166912, 174592, 180224, 202120, 208640, 218240, 222332, 225280, 229504, 253952, 277915, 286880, 317440, 323392, 327680, 333824, 349184, 360448, 404240, 417280, 436480, 444664, 450560, 459008, 507904, 555830, 573760, 634880, 646784, 667648, 698368, 720896, 808480, 834560, 872960, 889328, 901120, 918016, 1015808, 1111660, 1147520, 1269760, 1293568, 1335296, 1396736, 1616960, 1669120, 1745920, 1778656, 1802240, 1836032, 2031616, 2223320, 2295040, 2539520, 2587136, 2670592, 2793472, 3233920, 3338240, 3491840, 3557312, 3604480, 3672064, 4446640, 4590080, 5079040, 5174272, 5341184, 5586944, 6467840, 6676480, 6983680, 7114624, 7344128, 8893280, 9180160, 10158080, 10348544, 10682368, 11173888, 12935680, 13352960, 13967360, 14229248, 14688256, 17786560, 18360320, 20697088, 22347776, 25871360, 26705920, 27934720, 28458496, 29376512, 35573120, 36720640, 41394176, 51742720, 53411840, 55869440, 56916992, 58753024, 71146240, 73441280, 82788352, 103485440, 111738880, 113833984, 117506048, 142292480, 146882560, 165576704, 206970880, 227667968, 284584960, 293765120, 331153408, 413941760, 455335936, 569169920, 587530240, 827883520, 910671872, 1138339840, 1655767040, 1821343744, 2276679680, 3642687488, 4553359360, 9106718720, 18213437440]

約数ペア:

[(1, 18213437440), (2, 9106718720), (4, 4553359360), (5, 3642687488), (8, 2276679680), (10, 1821343744), (11, 1655767040), (16, 1138339840), (20, 910671872), (22, 827883520), (31, 587530240), (32, 569169920), (40, 455335936), (44, 413941760), (55, 331153408), (62, 293765120), (64, 284584960), (80, 227667968), (88, 206970880), (110, 165576704), (124, 146882560), (128, 142292480), (155, 117506048), (160, 113833984), (163, 111738880), (176, 103485440), (220, 82788352), (248, 73441280), (256, 71146240), (310, 58753024), (320, 56916992), (326, 55869440), (341, 53411840), (352, 51742720), (440, 41394176), (496, 36720640), (512, 35573120), (620, 29376512), (640, 28458496), (652, 27934720), (682, 26705920), (704, 25871360), (815, 22347776), (880, 20697088), (992, 18360320), (1024, 17786560), (1240, 14688256), (1280, 14229248), (1304, 13967360), (1364, 13352960), (1408, 12935680), (1630, 11173888), (1705, 10682368), (1760, 10348544), (1793, 10158080), (1984, 9180160), (2048, 8893280), (2480, 7344128), (2560, 7114624), (2608, 6983680), (2728, 6676480), (2816, 6467840), (3260, 5586944), (3410, 5341184), (3520, 5174272), (3586, 5079040), (3968, 4590080), (4096, 4446640), (4960, 3672064), (5053, 3604480), (5120, 3557312), (5216, 3491840), (5456, 3338240), (5632, 3233920), (6520, 2793472), (6820, 2670592), (7040, 2587136), (7172, 2539520), (7936, 2295040), (8192, 2223320), (8965, 2031616), (9920, 1836032), (10106, 1802240), (10240, 1778656), (10432, 1745920), (10912, 1669120), (11264, 1616960), (13040, 1396736), (13640, 1335296), (14080, 1293568), (14344, 1269760), (15872, 1147520), (16384, 1111660), (17930, 1015808), (19840, 918016), (20212, 901120), (20480, 889328), (20864, 872960), (21824, 834560), (22528, 808480), (25265, 720896), (26080, 698368), (27280, 667648), (28160, 646784), (28688, 634880), (31744, 573760), (32768, 555830), (35860, 507904), (39680, 459008), (40424, 450560), (40960, 444664), (41728, 436480), (43648, 417280), (45056, 404240), (50530, 360448), (52160, 349184), (54560, 333824), (55583, 327680), (56320, 323392), (57376, 317440), (63488, 286880), (65536, 277915), (71720, 253952), (79360, 229504), (80848, 225280), (81920, 222332), (83456, 218240), (87296, 208640), (90112, 202120), (101060, 180224), (104320, 174592), (109120, 166912), (111166, 163840), (112640, 161696), (114752, 158720), (126976, 143440)]