128823040

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5297}}^1$

素因数の和:5337

約数の個数: 72

約数和(自身を含む): 324873360

約数和(自身を除く): 196050320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 5297, 6080, 10594, 12160, 21188, 24320, 26485, 42376, 52970, 84752, 100643, 105940, 169504, 201286, 211880, 339008, 402572, 423760, 503215, 678016, 805144, 847520, 1006430, 1356032, 1610288, 1695040, 2012860, 3220576, 3390080, 4025720, 6441152, 6780160, 8051440, 12882304, 16102880, 25764608, 32205760, 64411520, 128823040]

約数ペア:

[(1, 128823040), (2, 64411520), (4, 32205760), (5, 25764608), (8, 16102880), (10, 12882304), (16, 8051440), (19, 6780160), (20, 6441152), (32, 4025720), (38, 3390080), (40, 3220576), (64, 2012860), (76, 1695040), (80, 1610288), (95, 1356032), (128, 1006430), (152, 847520), (160, 805144), (190, 678016), (256, 503215), (304, 423760), (320, 402572), (380, 339008), (608, 211880), (640, 201286), (760, 169504), (1216, 105940), (1280, 100643), (1520, 84752), (2432, 52970), (3040, 42376), (4864, 26485), (5297, 24320), (6080, 21188), (10594, 12160)]