4438926080

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 10911280800

約数和(自身を除く): 6472354720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 139, 160, 244, 256, 278, 305, 320, 409, 488, 556, 610, 640, 695, 818, 976, 1112, 1220, 1280, 1390, 1636, 1952, 2045, 2224, 2440, 2780, 3272, 3904, 4090, 4448, 4880, 5560, 6544, 7808, 8180, 8479, 8896, 9760, 11120, 13088, 15616, 16360, 16958, 17792, 19520, 22240, 24949, 26176, 32720, 33916, 35584, 39040, 42395, 44480, 49898, 52352, 56851, 65440, 67832, 78080, 84790, 88960, 99796, 104704, 113702, 124745, 130880, 135664, 169580, 177920, 199592, 227404, 249490, 261760, 271328, 284255, 339160, 399184, 454808, 498980, 523520, 542656, 568510, 678320, 798368, 909616, 997960, 1085312, 1137020, 1356640, 1596736, 1819232, 1995920, 2170624, 2274040, 2713280, 3193472, 3467911, 3638464, 3991840, 4548080, 5426560, 6386944, 6935822, 7276928, 7983680, 9096160, 10853120, 13871644, 14553856, 15967360, 17339555, 18192320, 27743288, 31934720, 34679110, 36384640, 55486576, 69358220, 72769280, 110973152, 138716440, 221946304, 277432880, 443892608, 554865760, 887785216, 1109731520, 2219463040, 4438926080]

約数ペア:

[(1, 4438926080), (2, 2219463040), (4, 1109731520), (5, 887785216), (8, 554865760), (10, 443892608), (16, 277432880), (20, 221946304), (32, 138716440), (40, 110973152), (61, 72769280), (64, 69358220), (80, 55486576), (122, 36384640), (128, 34679110), (139, 31934720), (160, 27743288), (244, 18192320), (256, 17339555), (278, 15967360), (305, 14553856), (320, 13871644), (409, 10853120), (488, 9096160), (556, 7983680), (610, 7276928), (640, 6935822), (695, 6386944), (818, 5426560), (976, 4548080), (1112, 3991840), (1220, 3638464), (1280, 3467911), (1390, 3193472), (1636, 2713280), (1952, 2274040), (2045, 2170624), (2224, 1995920), (2440, 1819232), (2780, 1596736), (3272, 1356640), (3904, 1137020), (4090, 1085312), (4448, 997960), (4880, 909616), (5560, 798368), (6544, 678320), (7808, 568510), (8180, 542656), (8479, 523520), (8896, 498980), (9760, 454808), (11120, 399184), (13088, 339160), (15616, 284255), (16360, 271328), (16958, 261760), (17792, 249490), (19520, 227404), (22240, 199592), (24949, 177920), (26176, 169580), (32720, 135664), (33916, 130880), (35584, 124745), (39040, 113702), (42395, 104704), (44480, 99796), (49898, 88960), (52352, 84790), (56851, 78080), (65440, 67832)]