About the Number

1243816720

1243816719 ← → 1243816721

2進数表記:1001010001000110010001100010000

漢数字表記:十二億四千三百八十一万六千七百二十

素因数分解:

2 4 × 5 1 × 31 1 × 53 1 × 9463 1

素因数の和:9560
約数の個数: 80
約数和(自身を含む): 3041805312
約数和(自身を除く): 1797988592

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1643, 2120, 2480, 3286, 4240, 6572, 8215, 9463, 13144, 16430, 18926, 26288, 32860, 37852, 47315, 65720, 75704, 94630, 131440, 151408, 189260, 293353, 378520, 501539, 586706, 757040, 1003078, 1173412, 1466765, 2006156, 2346824, 2507695, 2933530, 4012312, 4693648, 5015390, 5867060, 8024624, 10030780, 11734120, 15547709, 20061560, 23468240, 31095418, 40123120, 62190836, 77738545, 124381672, 155477090, 248763344, 310954180, 621908360, 1243816720]

約数ペア:
[(1, 1243816720), (2, 621908360), (4, 310954180), (5, 248763344), (8, 155477090), (10, 124381672), (16, 77738545), (20, 62190836), (31, 40123120), (40, 31095418), (53, 23468240), (62, 20061560), (80, 15547709), (106, 11734120), (124, 10030780), (155, 8024624), (212, 5867060), (248, 5015390), (265, 4693648), (310, 4012312), (424, 2933530), (496, 2507695), (530, 2346824), (620, 2006156), (848, 1466765), (1060, 1173412), (1240, 1003078), (1643, 757040), (2120, 586706), (2480, 501539), (3286, 378520), (4240, 293353), (6572, 189260), (8215, 151408), (9463, 131440), (13144, 94630), (16430, 75704), (18926, 65720), (26288, 47315), (32860, 37852)]

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