30663920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3221}}^1$

素因数の和:3258

約数の個数: 80

約数和(自身を含む): 86298048

約数和(自身を除く): 55634128

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, 3221, 4760, 6442, 9520, 12884, 16105, 22547, 25768, 32210, 45094, 51536, 54757, 64420, 90188, 109514, 112735, 128840, 180376, 219028, 225470, 257680, 273785, 360752, 383299, 438056, 450940, 547570, 766598, 876112, 901880, 1095140, 1533196, 1803760, 1916495, 2190280, 3066392, 3832990, 4380560, 6132784, 7665980, 15331960, 30663920]

約数ペア:

[(1, 30663920), (2, 15331960), (4, 7665980), (5, 6132784), (7, 4380560), (8, 3832990), (10, 3066392), (14, 2190280), (16, 1916495), (17, 1803760), (20, 1533196), (28, 1095140), (34, 901880), (35, 876112), (40, 766598), (56, 547570), (68, 450940), (70, 438056), (80, 383299), (85, 360752), (112, 273785), (119, 257680), (136, 225470), (140, 219028), (170, 180376), (238, 128840), (272, 112735), (280, 109514), (340, 90188), (476, 64420), (560, 54757), (595, 51536), (680, 45094), (952, 32210), (1190, 25768), (1360, 22547), (1904, 16105), (2380, 12884), (3221, 9520), (4760, 6442)]