128677920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{5471}}^1$

素因数の和:5503

約数の個数: 144

約数和(自身を含む): 471598848

約数和(自身を除く): 342920928

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5471, 5880, 7840, 10942, 11760, 16413, 21884, 23520, 27355, 32826, 38297, 43768, 54710, 65652, 76594, 82065, 87536, 109420, 114891, 131304, 153188, 164130, 175072, 191485, 218840, 229782, 262608, 268079, 306376, 328260, 382970, 437680, 459564, 525216, 536158, 574455, 612752, 656520, 765940, 804237, 875360, 919128, 1072316, 1148910, 1225504, 1313040, 1340395, 1531880, 1608474, 1838256, 2144632, 2297820, 2626080, 2680790, 3063760, 3216948, 3676512, 4021185, 4289264, 4595640, 5361580, 6127520, 6433896, 8042370, 8578528, 9191280, 10723160, 12867792, 16084740, 18382560, 21446320, 25735584, 32169480, 42892640, 64338960, 128677920]

約数ペア:

[(1, 128677920), (2, 64338960), (3, 42892640), (4, 32169480), (5, 25735584), (6, 21446320), (7, 18382560), (8, 16084740), (10, 12867792), (12, 10723160), (14, 9191280), (15, 8578528), (16, 8042370), (20, 6433896), (21, 6127520), (24, 5361580), (28, 4595640), (30, 4289264), (32, 4021185), (35, 3676512), (40, 3216948), (42, 3063760), (48, 2680790), (49, 2626080), (56, 2297820), (60, 2144632), (70, 1838256), (80, 1608474), (84, 1531880), (96, 1340395), (98, 1313040), (105, 1225504), (112, 1148910), (120, 1072316), (140, 919128), (147, 875360), (160, 804237), (168, 765940), (196, 656520), (210, 612752), (224, 574455), (240, 536158), (245, 525216), (280, 459564), (294, 437680), (336, 382970), (392, 328260), (420, 306376), (480, 268079), (490, 262608), (560, 229782), (588, 218840), (672, 191485), (735, 175072), (784, 164130), (840, 153188), (980, 131304), (1120, 114891), (1176, 109420), (1470, 87536), (1568, 82065), (1680, 76594), (1960, 65652), (2352, 54710), (2940, 43768), (3360, 38297), (3920, 32826), (4704, 27355), (5471, 23520), (5880, 21884), (7840, 16413), (10942, 11760)]