131920880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18121}}^1$

素因数の和:18154

約数の個数: 80

約数和(自身を含む): 377517504

約数和(自身を除く): 245596624

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 18121, 36242, 72484, 90605, 126847, 144968, 181210, 235573, 253694, 289936, 362420, 471146, 507388, 634235, 724840, 942292, 1014776, 1177865, 1268470, 1449680, 1649011, 1884584, 2029552, 2355730, 2536940, 3298022, 3769168, 4711460, 5073880, 6596044, 8245055, 9422920, 10147760, 13192088, 16490110, 18845840, 26384176, 32980220, 65960440, 131920880]

約数ペア:

[(1, 131920880), (2, 65960440), (4, 32980220), (5, 26384176), (7, 18845840), (8, 16490110), (10, 13192088), (13, 10147760), (14, 9422920), (16, 8245055), (20, 6596044), (26, 5073880), (28, 4711460), (35, 3769168), (40, 3298022), (52, 2536940), (56, 2355730), (65, 2029552), (70, 1884584), (80, 1649011), (91, 1449680), (104, 1268470), (112, 1177865), (130, 1014776), (140, 942292), (182, 724840), (208, 634235), (260, 507388), (280, 471146), (364, 362420), (455, 289936), (520, 253694), (560, 235573), (728, 181210), (910, 144968), (1040, 126847), (1456, 90605), (1820, 72484), (3640, 36242), (7280, 18121)]