31006640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3257}}^1$

素因数の和:3294

約数の個数: 80

約数和(自身を含む): 87262272

約数和(自身を除く): 56255632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 3257, 4760, 6514, 9520, 13028, 16285, 22799, 26056, 32570, 45598, 52112, 55369, 65140, 91196, 110738, 113995, 130280, 182392, 221476, 227990, 260560, 276845, 364784, 387583, 442952, 455980, 553690, 775166, 885904, 911960, 1107380, 1550332, 1823920, 1937915, 2214760, 3100664, 3875830, 4429520, 6201328, 7751660, 15503320, 31006640]

約数ペア:

[(1, 31006640), (2, 15503320), (4, 7751660), (5, 6201328), (7, 4429520), (8, 3875830), (10, 3100664), (14, 2214760), (16, 1937915), (17, 1823920), (20, 1550332), (28, 1107380), (34, 911960), (35, 885904), (40, 775166), (56, 553690), (68, 455980), (70, 442952), (80, 387583), (85, 364784), (112, 276845), (119, 260560), (136, 227990), (140, 221476), (170, 182392), (238, 130280), (272, 113995), (280, 110738), (340, 91196), (476, 65140), (560, 55369), (595, 52112), (680, 45598), (952, 32570), (1190, 26056), (1360, 22799), (1904, 16285), (2380, 13028), (3257, 9520), (4760, 6514)]