254808960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18959}}^1$

素因数の和:18988

約数の個数: 128

約数和(自身を含む): 928281600

約数和(自身を除く): 673472640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18959, 37918, 56877, 75836, 94795, 113754, 132713, 151672, 189590, 227508, 265426, 284385, 303344, 379180, 398139, 455016, 530852, 568770, 606688, 663565, 758360, 796278, 910032, 1061704, 1137540, 1213376, 1327130, 1516720, 1592556, 1820064, 1990695, 2123408, 2275080, 2426752, 2654260, 3033440, 3185112, 3640128, 3981390, 4246816, 4550160, 5308520, 6066880, 6370224, 7280256, 7962780, 8493632, 9100320, 10617040, 12133760, 12740448, 15925560, 16987264, 18200640, 21234080, 25480896, 31851120, 36401280, 42468160, 50961792, 63702240, 84936320, 127404480, 254808960]

約数ペア:

[(1, 254808960), (2, 127404480), (3, 84936320), (4, 63702240), (5, 50961792), (6, 42468160), (7, 36401280), (8, 31851120), (10, 25480896), (12, 21234080), (14, 18200640), (15, 16987264), (16, 15925560), (20, 12740448), (21, 12133760), (24, 10617040), (28, 9100320), (30, 8493632), (32, 7962780), (35, 7280256), (40, 6370224), (42, 6066880), (48, 5308520), (56, 4550160), (60, 4246816), (64, 3981390), (70, 3640128), (80, 3185112), (84, 3033440), (96, 2654260), (105, 2426752), (112, 2275080), (120, 2123408), (128, 1990695), (140, 1820064), (160, 1592556), (168, 1516720), (192, 1327130), (210, 1213376), (224, 1137540), (240, 1061704), (280, 910032), (320, 796278), (336, 758360), (384, 663565), (420, 606688), (448, 568770), (480, 530852), (560, 455016), (640, 398139), (672, 379180), (840, 303344), (896, 284385), (960, 265426), (1120, 227508), (1344, 189590), (1680, 151672), (1920, 132713), (2240, 113754), (2688, 94795), (3360, 75836), (4480, 56877), (6720, 37918), (13440, 18959)]