About the Number

260420640

260420639 ← → 260420641

2進数表記:1111100001011011010000100000

漢数字表記:二億六千四十二万六百四十

素因数分解:

2 5 × 3 1 × 5 1 × 151 1 × 3593 1

素因数の和:3762
約数の個数: 96
約数和(自身を含む): 825987456
約数和(自身を除く): 565566816

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 151, 160, 240, 302, 453, 480, 604, 755, 906, 1208, 1510, 1812, 2265, 2416, 3020, 3593, 3624, 4530, 4832, 6040, 7186, 7248, 9060, 10779, 12080, 14372, 14496, 17965, 18120, 21558, 24160, 28744, 35930, 36240, 43116, 53895, 57488, 71860, 72480, 86232, 107790, 114976, 143720, 172464, 215580, 287440, 344928, 431160, 542543, 574880, 862320, 1085086, 1627629, 1724640, 2170172, 2712715, 3255258, 4340344, 5425430, 6510516, 8138145, 8680688, 10850860, 13021032, 16276290, 17361376, 21701720, 26042064, 32552580, 43403440, 52084128, 65105160, 86806880, 130210320, 260420640]

約数ペア:
[(1, 260420640), (2, 130210320), (3, 86806880), (4, 65105160), (5, 52084128), (6, 43403440), (8, 32552580), (10, 26042064), (12, 21701720), (15, 17361376), (16, 16276290), (20, 13021032), (24, 10850860), (30, 8680688), (32, 8138145), (40, 6510516), (48, 5425430), (60, 4340344), (80, 3255258), (96, 2712715), (120, 2170172), (151, 1724640), (160, 1627629), (240, 1085086), (302, 862320), (453, 574880), (480, 542543), (604, 431160), (755, 344928), (906, 287440), (1208, 215580), (1510, 172464), (1812, 143720), (2265, 114976), (2416, 107790), (3020, 86232), (3593, 72480), (3624, 71860), (4530, 57488), (4832, 53895), (6040, 43116), (7186, 36240), (7248, 35930), (9060, 28744), (10779, 24160), (12080, 21558), (14372, 18120), (14496, 17965)]

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