18215120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2957}}^1$

素因数の和:2988

約数の個数: 80

約数和(自身を含む): 52818048

約数和(自身を除く): 34602928

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 2957, 3080, 5914, 6160, 11828, 14785, 20699, 23656, 29570, 32527, 41398, 47312, 59140, 65054, 82796, 103495, 118280, 130108, 162635, 165592, 206990, 227689, 236560, 260216, 325270, 331184, 413980, 455378, 520432, 650540, 827960, 910756, 1138445, 1301080, 1655920, 1821512, 2276890, 2602160, 3643024, 4553780, 9107560, 18215120]

約数ペア:

[(1, 18215120), (2, 9107560), (4, 4553780), (5, 3643024), (7, 2602160), (8, 2276890), (10, 1821512), (11, 1655920), (14, 1301080), (16, 1138445), (20, 910756), (22, 827960), (28, 650540), (35, 520432), (40, 455378), (44, 413980), (55, 331184), (56, 325270), (70, 260216), (77, 236560), (80, 227689), (88, 206990), (110, 165592), (112, 162635), (140, 130108), (154, 118280), (176, 103495), (220, 82796), (280, 65054), (308, 59140), (385, 47312), (440, 41398), (560, 32527), (616, 29570), (770, 23656), (880, 20699), (1232, 14785), (1540, 11828), (2957, 6160), (3080, 5914)]