89961280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:776

約数の個数: 112

約数和(自身を含む): 237012480

約数和(自身を除く): 147051200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 136, 160, 170, 184, 230, 272, 320, 340, 368, 391, 460, 544, 680, 719, 736, 782, 920, 1088, 1360, 1438, 1472, 1564, 1840, 1955, 2720, 2876, 3128, 3595, 3680, 3910, 5440, 5752, 6256, 7190, 7360, 7820, 11504, 12223, 12512, 14380, 15640, 16537, 23008, 24446, 25024, 28760, 31280, 33074, 46016, 48892, 57520, 61115, 62560, 66148, 82685, 97784, 115040, 122230, 125120, 132296, 165370, 195568, 230080, 244460, 264592, 281129, 330740, 391136, 488920, 529184, 562258, 661480, 782272, 977840, 1058368, 1124516, 1322960, 1405645, 1955680, 2249032, 2645920, 2811290, 3911360, 4498064, 5291840, 5622580, 8996128, 11245160, 17992256, 22490320, 44980640, 89961280]

約数ペア:

[(1, 89961280), (2, 44980640), (4, 22490320), (5, 17992256), (8, 11245160), (10, 8996128), (16, 5622580), (17, 5291840), (20, 4498064), (23, 3911360), (32, 2811290), (34, 2645920), (40, 2249032), (46, 1955680), (64, 1405645), (68, 1322960), (80, 1124516), (85, 1058368), (92, 977840), (115, 782272), (136, 661480), (160, 562258), (170, 529184), (184, 488920), (230, 391136), (272, 330740), (320, 281129), (340, 264592), (368, 244460), (391, 230080), (460, 195568), (544, 165370), (680, 132296), (719, 125120), (736, 122230), (782, 115040), (920, 97784), (1088, 82685), (1360, 66148), (1438, 62560), (1472, 61115), (1564, 57520), (1840, 48892), (1955, 46016), (2720, 33074), (2876, 31280), (3128, 28760), (3595, 25024), (3680, 24446), (3910, 23008), (5440, 16537), (5752, 15640), (6256, 14380), (7190, 12512), (7360, 12223), (7820, 11504)]