721232880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19141}}^1$

素因数の和:19314

約数の個数: 80

約数和(自身を含む): 2250180384

約数和(自身を除く): 1528947504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3768, 4710, 6280, 7536, 9420, 12560, 18840, 19141, 37680, 38282, 57423, 76564, 95705, 114846, 153128, 191410, 229692, 287115, 306256, 382820, 459384, 574230, 765640, 918768, 1148460, 1531280, 2296920, 3005137, 4593840, 6010274, 9015411, 12020548, 15025685, 18030822, 24041096, 30051370, 36061644, 45077055, 48082192, 60102740, 72123288, 90154110, 120205480, 144246576, 180308220, 240410960, 360616440, 721232880]

約数ペア:

[(1, 721232880), (2, 360616440), (3, 240410960), (4, 180308220), (5, 144246576), (6, 120205480), (8, 90154110), (10, 72123288), (12, 60102740), (15, 48082192), (16, 45077055), (20, 36061644), (24, 30051370), (30, 24041096), (40, 18030822), (48, 15025685), (60, 12020548), (80, 9015411), (120, 6010274), (157, 4593840), (240, 3005137), (314, 2296920), (471, 1531280), (628, 1148460), (785, 918768), (942, 765640), (1256, 574230), (1570, 459384), (1884, 382820), (2355, 306256), (2512, 287115), (3140, 229692), (3768, 191410), (4710, 153128), (6280, 114846), (7536, 95705), (9420, 76564), (12560, 57423), (18840, 38282), (19141, 37680)]