About the Number

1291620480

1291620479 ← → 1291620481

2進数表記:1001100111111001001000010000000

漢数字表記:十二億九千百六十二万四百八十

素因数分解:

2 7 × 3 1 × 5 1 × 127 1 × 5297 1

素因数の和:5446
約数の個数: 128
約数和(自身を含む): 4150241280
約数和(自身を除く): 2858620800

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 320, 381, 384, 480, 508, 635, 640, 762, 960, 1016, 1270, 1524, 1905, 1920, 2032, 2540, 3048, 3810, 4064, 5080, 5297, 6096, 7620, 8128, 10160, 10594, 12192, 15240, 15891, 16256, 20320, 21188, 24384, 26485, 30480, 31782, 40640, 42376, 48768, 52970, 60960, 63564, 79455, 81280, 84752, 105940, 121920, 127128, 158910, 169504, 211880, 243840, 254256, 317820, 339008, 423760, 508512, 635640, 672719, 678016, 847520, 1017024, 1271280, 1345438, 1695040, 2018157, 2034048, 2542560, 2690876, 3363595, 3390080, 4036314, 5085120, 5381752, 6727190, 8072628, 10090785, 10170240, 10763504, 13454380, 16145256, 20181570, 21527008, 26908760, 32290512, 40363140, 43054016, 53817520, 64581024, 80726280, 86108032, 107635040, 129162048, 161452560, 215270080, 258324096, 322905120, 430540160, 645810240, 1291620480]

約数ペア:
[(1, 1291620480), (2, 645810240), (3, 430540160), (4, 322905120), (5, 258324096), (6, 215270080), (8, 161452560), (10, 129162048), (12, 107635040), (15, 86108032), (16, 80726280), (20, 64581024), (24, 53817520), (30, 43054016), (32, 40363140), (40, 32290512), (48, 26908760), (60, 21527008), (64, 20181570), (80, 16145256), (96, 13454380), (120, 10763504), (127, 10170240), (128, 10090785), (160, 8072628), (192, 6727190), (240, 5381752), (254, 5085120), (320, 4036314), (381, 3390080), (384, 3363595), (480, 2690876), (508, 2542560), (635, 2034048), (640, 2018157), (762, 1695040), (960, 1345438), (1016, 1271280), (1270, 1017024), (1524, 847520), (1905, 678016), (1920, 672719), (2032, 635640), (2540, 508512), (3048, 423760), (3810, 339008), (4064, 317820), (5080, 254256), (5297, 243840), (6096, 211880), (7620, 169504), (8128, 158910), (10160, 127128), (10594, 121920), (12192, 105940), (15240, 84752), (15891, 81280), (16256, 79455), (20320, 63564), (21188, 60960), (24384, 52970), (26485, 48768), (30480, 42376), (31782, 40640)]

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