30625520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 75209472

約数和(自身を除く): 44583952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 233, 248, 265, 310, 424, 466, 496, 530, 620, 848, 932, 1060, 1165, 1240, 1643, 1864, 2120, 2330, 2480, 3286, 3728, 4240, 4660, 6572, 7223, 8215, 9320, 12349, 13144, 14446, 16430, 18640, 24698, 26288, 28892, 32860, 36115, 49396, 57784, 61745, 65720, 72230, 98792, 115568, 123490, 131440, 144460, 197584, 246980, 288920, 382819, 493960, 577840, 765638, 987920, 1531276, 1914095, 3062552, 3828190, 6125104, 7656380, 15312760, 30625520]

約数ペア:

[(1, 30625520), (2, 15312760), (4, 7656380), (5, 6125104), (8, 3828190), (10, 3062552), (16, 1914095), (20, 1531276), (31, 987920), (40, 765638), (53, 577840), (62, 493960), (80, 382819), (106, 288920), (124, 246980), (155, 197584), (212, 144460), (233, 131440), (248, 123490), (265, 115568), (310, 98792), (424, 72230), (466, 65720), (496, 61745), (530, 57784), (620, 49396), (848, 36115), (932, 32860), (1060, 28892), (1165, 26288), (1240, 24698), (1643, 18640), (1864, 16430), (2120, 14446), (2330, 13144), (2480, 12349), (3286, 9320), (3728, 8215), (4240, 7223), (4660, 6572)]