About the Number

1243908480

1243908479 ← → 1243908481

2進数表記:1001010001001001000100110000000

漢数字表記:十二億四千三百九十万八千四百八十

素因数分解:

2 7 × 3 1 × 5 1 × 31 1 × 20899 1

素因数の和:20952
約数の個数: 128
約数和(自身を含む): 4093056000
約数和(自身を除く): 2849147520

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 19840, 20899, 29760, 41798, 59520, 62697, 83596, 104495, 125394, 167192, 208990, 250788, 313485, 334384, 417980, 501576, 626970, 647869, 668768, 835960, 1003152, 1253940, 1295738, 1337536, 1671920, 1943607, 2006304, 2507880, 2591476, 2675072, 3239345, 3343840, 3887214, 4012608, 5015760, 5182952, 6478690, 6687680, 7774428, 8025216, 9718035, 10031520, 10365904, 12957380, 13375360, 15548856, 19436070, 20063040, 20731808, 25914760, 31097712, 38872140, 40126080, 41463616, 51829520, 62195424, 77744280, 82927232, 103659040, 124390848, 155488560, 207318080, 248781696, 310977120, 414636160, 621954240, 1243908480]

約数ペア:
[(1, 1243908480), (2, 621954240), (3, 414636160), (4, 310977120), (5, 248781696), (6, 207318080), (8, 155488560), (10, 124390848), (12, 103659040), (15, 82927232), (16, 77744280), (20, 62195424), (24, 51829520), (30, 41463616), (31, 40126080), (32, 38872140), (40, 31097712), (48, 25914760), (60, 20731808), (62, 20063040), (64, 19436070), (80, 15548856), (93, 13375360), (96, 12957380), (120, 10365904), (124, 10031520), (128, 9718035), (155, 8025216), (160, 7774428), (186, 6687680), (192, 6478690), (240, 5182952), (248, 5015760), (310, 4012608), (320, 3887214), (372, 3343840), (384, 3239345), (465, 2675072), (480, 2591476), (496, 2507880), (620, 2006304), (640, 1943607), (744, 1671920), (930, 1337536), (960, 1295738), (992, 1253940), (1240, 1003152), (1488, 835960), (1860, 668768), (1920, 647869), (1984, 626970), (2480, 501576), (2976, 417980), (3720, 334384), (3968, 313485), (4960, 250788), (5952, 208990), (7440, 167192), (9920, 125394), (11904, 104495), (14880, 83596), (19840, 62697), (20899, 59520), (29760, 41798)]

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