About the Number

18001230

18001229 ← → 18001231

2進数表記:1000100101010110101001110

漢数字表記:千八百万千二百三十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 101 1 × 457 1

素因数の和:581
約数の個数: 64
約数和(自身を含む): 47089728
約数和(自身を除く): 29088498

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 457, 505, 606, 914, 1010, 1313, 1371, 1515, 2285, 2626, 2742, 3030, 3939, 4570, 5941, 6565, 6855, 7878, 11882, 13130, 13710, 17823, 19695, 29705, 35646, 39390, 46157, 59410, 89115, 92314, 138471, 178230, 230785, 276942, 461570, 600041, 692355, 1200082, 1384710, 1800123, 3000205, 3600246, 6000410, 9000615, 18001230]

約数ペア:
[(1, 18001230), (2, 9000615), (3, 6000410), (5, 3600246), (6, 3000205), (10, 1800123), (13, 1384710), (15, 1200082), (26, 692355), (30, 600041), (39, 461570), (65, 276942), (78, 230785), (101, 178230), (130, 138471), (195, 92314), (202, 89115), (303, 59410), (390, 46157), (457, 39390), (505, 35646), (606, 29705), (914, 19695), (1010, 17823), (1313, 13710), (1371, 13130), (1515, 11882), (2285, 7878), (2626, 6855), (2742, 6565), (3030, 5941), (3939, 4570)]

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