81719864800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{634471}}^1$

素因数の和:634521

約数の個数: 144

約数和(自身を含む): 237911772672

約数和(自身を除く): 156191907872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 200, 224, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 736, 800, 805, 920, 1120, 1150, 1288, 1400, 1610, 1840, 2300, 2576, 2800, 3220, 3680, 4025, 4600, 5152, 5600, 6440, 8050, 9200, 12880, 16100, 18400, 25760, 32200, 64400, 128800, 634471, 1268942, 2537884, 3172355, 4441297, 5075768, 6344710, 8882594, 10151536, 12689420, 14592833, 15861775, 17765188, 20303072, 22206485, 25378840, 29185666, 31723550, 35530376, 44412970, 50757680, 58371332, 63447100, 71060752, 72964165, 88825940, 101515360, 102149831, 111032425, 116742664, 126894200, 142121504, 145928330, 177651880, 204299662, 222064850, 233485328, 253788400, 291856660, 355303760, 364820825, 408599324, 444129700, 466970656, 507576800, 510749155, 583713320, 710607520, 729641650, 817198648, 888259400, 1021498310, 1167426640, 1459283300, 1634397296, 1776518800, 2042996620, 2334853280, 2553745775, 2918566600, 3268794592, 3553037600, 4085993240, 5107491550, 5837133200, 8171986480, 10214983100, 11674266400, 16343972960, 20429966200, 40859932400, 81719864800]

約数ペア:

[(1, 81719864800), (2, 40859932400), (4, 20429966200), (5, 16343972960), (7, 11674266400), (8, 10214983100), (10, 8171986480), (14, 5837133200), (16, 5107491550), (20, 4085993240), (23, 3553037600), (25, 3268794592), (28, 2918566600), (32, 2553745775), (35, 2334853280), (40, 2042996620), (46, 1776518800), (50, 1634397296), (56, 1459283300), (70, 1167426640), (80, 1021498310), (92, 888259400), (100, 817198648), (112, 729641650), (115, 710607520), (140, 583713320), (160, 510749155), (161, 507576800), (175, 466970656), (184, 444129700), (200, 408599324), (224, 364820825), (230, 355303760), (280, 291856660), (322, 253788400), (350, 233485328), (368, 222064850), (400, 204299662), (460, 177651880), (560, 145928330), (575, 142121504), (644, 126894200), (700, 116742664), (736, 111032425), (800, 102149831), (805, 101515360), (920, 88825940), (1120, 72964165), (1150, 71060752), (1288, 63447100), (1400, 58371332), (1610, 50757680), (1840, 44412970), (2300, 35530376), (2576, 31723550), (2800, 29185666), (3220, 25378840), (3680, 22206485), (4025, 20303072), (4600, 17765188), (5152, 15861775), (5600, 14592833), (6440, 12689420), (8050, 10151536), (9200, 8882594), (12880, 6344710), (16100, 5075768), (18400, 4441297), (25760, 3172355), (32200, 2537884), (64400, 1268942), (128800, 634471)]