1395426560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 3955875840

約数和(自身を除く): 2560449280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 32, 40, 44, 46, 55, 62, 64, 80, 88, 92, 110, 115, 124, 128, 139, 155, 160, 176, 184, 220, 230, 248, 253, 256, 278, 310, 320, 341, 352, 368, 440, 460, 496, 506, 556, 620, 640, 682, 695, 704, 713, 736, 880, 920, 992, 1012, 1112, 1240, 1265, 1280, 1364, 1390, 1408, 1426, 1472, 1529, 1705, 1760, 1840, 1984, 2024, 2224, 2480, 2530, 2728, 2780, 2816, 2852, 2944, 3058, 3197, 3410, 3520, 3565, 3680, 3968, 4048, 4309, 4448, 4960, 5060, 5456, 5560, 5704, 5888, 6116, 6394, 6820, 7040, 7130, 7360, 7645, 7843, 7936, 8096, 8618, 8896, 9920, 10120, 10912, 11120, 11408, 12232, 12788, 13640, 14080, 14260, 14720, 15290, 15686, 15985, 16192, 17236, 17792, 19840, 20240, 21545, 21824, 22240, 22816, 24464, 25576, 27280, 28520, 29440, 30580, 31372, 31970, 32384, 34472, 35167, 35584, 39215, 39680, 40480, 43090, 43648, 44480, 45632, 47399, 48928, 51152, 54560, 57040, 61160, 62744, 63940, 64768, 68944, 70334, 78430, 80960, 86180, 87296, 88960, 91264, 94798, 97856, 99107, 102304, 109120, 114080, 122320, 125488, 127880, 137888, 140668, 156860, 161920, 172360, 175835, 177920, 182528, 189596, 195712, 198214, 204608, 218240, 228160, 236995, 244640, 250976, 255760, 275776, 281336, 313720, 323840, 344720, 351670, 379192, 391424, 396428, 409216, 436480, 456320, 473990, 489280, 495535, 501952, 511520, 551552, 562672, 627440, 689440, 703340, 758384, 792856, 818432, 912640, 947980, 978560, 991070, 1003904, 1023040, 1090177, 1103104, 1125344, 1254880, 1378880, 1406680, 1516768, 1585712, 1895960, 1957120, 1982140, 2007808, 2046080, 2180354, 2250688, 2509760, 2757760, 2813360, 3033536, 3171424, 3791920, 3964280, 4092160, 4360708, 4501376, 5019520, 5450885, 5515520, 5626720, 6067072, 6342848, 7583840, 7928560, 8721416, 9002752, 10039040, 10901770, 11253440, 12134144, 12685696, 15167680, 15857120, 17442832, 21803540, 22506880, 25371392, 30335360, 31714240, 34885664, 43607080, 45013760, 60670720, 63428480, 69771328, 87214160, 126856960, 139542656, 174428320, 279085312, 348856640, 697713280, 1395426560]

約数ペア:

[(1, 1395426560), (2, 697713280), (4, 348856640), (5, 279085312), (8, 174428320), (10, 139542656), (11, 126856960), (16, 87214160), (20, 69771328), (22, 63428480), (23, 60670720), (31, 45013760), (32, 43607080), (40, 34885664), (44, 31714240), (46, 30335360), (55, 25371392), (62, 22506880), (64, 21803540), (80, 17442832), (88, 15857120), (92, 15167680), (110, 12685696), (115, 12134144), (124, 11253440), (128, 10901770), (139, 10039040), (155, 9002752), (160, 8721416), (176, 7928560), (184, 7583840), (220, 6342848), (230, 6067072), (248, 5626720), (253, 5515520), (256, 5450885), (278, 5019520), (310, 4501376), (320, 4360708), (341, 4092160), (352, 3964280), (368, 3791920), (440, 3171424), (460, 3033536), (496, 2813360), (506, 2757760), (556, 2509760), (620, 2250688), (640, 2180354), (682, 2046080), (695, 2007808), (704, 1982140), (713, 1957120), (736, 1895960), (880, 1585712), (920, 1516768), (992, 1406680), (1012, 1378880), (1112, 1254880), (1240, 1125344), (1265, 1103104), (1280, 1090177), (1364, 1023040), (1390, 1003904), (1408, 991070), (1426, 978560), (1472, 947980), (1529, 912640), (1705, 818432), (1760, 792856), (1840, 758384), (1984, 703340), (2024, 689440), (2224, 627440), (2480, 562672), (2530, 551552), (2728, 511520), (2780, 501952), (2816, 495535), (2852, 489280), (2944, 473990), (3058, 456320), (3197, 436480), (3410, 409216), (3520, 396428), (3565, 391424), (3680, 379192), (3968, 351670), (4048, 344720), (4309, 323840), (4448, 313720), (4960, 281336), (5060, 275776), (5456, 255760), (5560, 250976), (5704, 244640), (5888, 236995), (6116, 228160), (6394, 218240), (6820, 204608), (7040, 198214), (7130, 195712), (7360, 189596), (7645, 182528), (7843, 177920), (7936, 175835), (8096, 172360), (8618, 161920), (8896, 156860), (9920, 140668), (10120, 137888), (10912, 127880), (11120, 125488), (11408, 122320), (12232, 114080), (12788, 109120), (13640, 102304), (14080, 99107), (14260, 97856), (14720, 94798), (15290, 91264), (15686, 88960), (15985, 87296), (16192, 86180), (17236, 80960), (17792, 78430), (19840, 70334), (20240, 68944), (21545, 64768), (21824, 63940), (22240, 62744), (22816, 61160), (24464, 57040), (25576, 54560), (27280, 51152), (28520, 48928), (29440, 47399), (30580, 45632), (31372, 44480), (31970, 43648), (32384, 43090), (34472, 40480), (35167, 39680), (35584, 39215)]