644184960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 256

約数和(自身を含む): 2162073600

約数和(自身を除く): 1517888640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 79, 80, 93, 96, 120, 124, 128, 137, 155, 158, 160, 186, 192, 237, 240, 248, 274, 310, 316, 320, 372, 384, 395, 411, 465, 474, 480, 496, 548, 620, 632, 640, 685, 744, 790, 822, 930, 948, 960, 992, 1096, 1185, 1240, 1264, 1370, 1488, 1580, 1644, 1860, 1896, 1920, 1984, 2055, 2192, 2370, 2449, 2480, 2528, 2740, 2976, 3160, 3288, 3720, 3792, 3968, 4110, 4247, 4384, 4740, 4898, 4960, 5056, 5480, 5952, 6320, 6576, 7347, 7440, 7584, 8220, 8494, 8768, 9480, 9796, 9920, 10112, 10823, 10960, 11904, 12245, 12640, 12741, 13152, 14694, 14880, 15168, 16440, 16988, 17536, 18960, 19592, 19840, 21235, 21646, 21920, 24490, 25280, 25482, 26304, 29388, 29760, 30336, 32469, 32880, 33976, 36735, 37920, 39184, 42470, 43292, 43840, 48980, 50560, 50964, 52608, 54115, 58776, 59520, 63705, 64938, 65760, 67952, 73470, 75840, 78368, 84940, 86584, 87680, 97960, 101928, 108230, 117552, 127410, 129876, 131520, 135904, 146940, 151680, 156736, 162345, 169880, 173168, 195920, 203856, 216460, 235104, 254820, 259752, 263040, 271808, 293880, 313472, 324690, 335513, 339760, 346336, 391840, 407712, 432920, 470208, 509640, 519504, 543616, 587760, 649380, 671026, 679520, 692672, 783680, 815424, 865840, 940416, 1006539, 1019280, 1039008, 1175520, 1298760, 1342052, 1359040, 1385344, 1567360, 1630848, 1677565, 1731680, 2013078, 2038560, 2078016, 2351040, 2597520, 2684104, 2718080, 3355130, 3463360, 4026156, 4077120, 4156032, 4702080, 5032695, 5195040, 5368208, 6710260, 6926720, 8052312, 8154240, 10065390, 10390080, 10736416, 13420520, 16104624, 20130780, 20780160, 21472832, 26841040, 32209248, 40261560, 42945664, 53682080, 64418496, 80523120, 107364160, 128836992, 161046240, 214728320, 322092480, 644184960]

約数ペア:

[(1, 644184960), (2, 322092480), (3, 214728320), (4, 161046240), (5, 128836992), (6, 107364160), (8, 80523120), (10, 64418496), (12, 53682080), (15, 42945664), (16, 40261560), (20, 32209248), (24, 26841040), (30, 21472832), (31, 20780160), (32, 20130780), (40, 16104624), (48, 13420520), (60, 10736416), (62, 10390080), (64, 10065390), (79, 8154240), (80, 8052312), (93, 6926720), (96, 6710260), (120, 5368208), (124, 5195040), (128, 5032695), (137, 4702080), (155, 4156032), (158, 4077120), (160, 4026156), (186, 3463360), (192, 3355130), (237, 2718080), (240, 2684104), (248, 2597520), (274, 2351040), (310, 2078016), (316, 2038560), (320, 2013078), (372, 1731680), (384, 1677565), (395, 1630848), (411, 1567360), (465, 1385344), (474, 1359040), (480, 1342052), (496, 1298760), (548, 1175520), (620, 1039008), (632, 1019280), (640, 1006539), (685, 940416), (744, 865840), (790, 815424), (822, 783680), (930, 692672), (948, 679520), (960, 671026), (992, 649380), (1096, 587760), (1185, 543616), (1240, 519504), (1264, 509640), (1370, 470208), (1488, 432920), (1580, 407712), (1644, 391840), (1860, 346336), (1896, 339760), (1920, 335513), (1984, 324690), (2055, 313472), (2192, 293880), (2370, 271808), (2449, 263040), (2480, 259752), (2528, 254820), (2740, 235104), (2976, 216460), (3160, 203856), (3288, 195920), (3720, 173168), (3792, 169880), (3968, 162345), (4110, 156736), (4247, 151680), (4384, 146940), (4740, 135904), (4898, 131520), (4960, 129876), (5056, 127410), (5480, 117552), (5952, 108230), (6320, 101928), (6576, 97960), (7347, 87680), (7440, 86584), (7584, 84940), (8220, 78368), (8494, 75840), (8768, 73470), (9480, 67952), (9796, 65760), (9920, 64938), (10112, 63705), (10823, 59520), (10960, 58776), (11904, 54115), (12245, 52608), (12640, 50964), (12741, 50560), (13152, 48980), (14694, 43840), (14880, 43292), (15168, 42470), (16440, 39184), (16988, 37920), (17536, 36735), (18960, 33976), (19592, 32880), (19840, 32469), (21235, 30336), (21646, 29760), (21920, 29388), (24490, 26304), (25280, 25482)]