64871940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{601}}^1$

素因数の和:877

約数の個数: 96

約数和(自身を含む): 208744704

約数和(自身を除く): 143872764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 601, 771, 1028, 1202, 1285, 1542, 1799, 1803, 2404, 2570, 3005, 3084, 3598, 3606, 3855, 4207, 5140, 5397, 6010, 7196, 7212, 7710, 8414, 8995, 9015, 10794, 12020, 12621, 15420, 16828, 17990, 18030, 21035, 21588, 25242, 26985, 35980, 36060, 42070, 50484, 53970, 63105, 84140, 107940, 126210, 154457, 252420, 308914, 463371, 617828, 772285, 926742, 1081199, 1544570, 1853484, 2162398, 2316855, 3089140, 3243597, 4324796, 4633710, 5405995, 6487194, 9267420, 10811990, 12974388, 16217985, 21623980, 32435970, 64871940]

約数ペア:

[(1, 64871940), (2, 32435970), (3, 21623980), (4, 16217985), (5, 12974388), (6, 10811990), (7, 9267420), (10, 6487194), (12, 5405995), (14, 4633710), (15, 4324796), (20, 3243597), (21, 3089140), (28, 2316855), (30, 2162398), (35, 1853484), (42, 1544570), (60, 1081199), (70, 926742), (84, 772285), (105, 617828), (140, 463371), (210, 308914), (257, 252420), (420, 154457), (514, 126210), (601, 107940), (771, 84140), (1028, 63105), (1202, 53970), (1285, 50484), (1542, 42070), (1799, 36060), (1803, 35980), (2404, 26985), (2570, 25242), (3005, 21588), (3084, 21035), (3598, 18030), (3606, 17990), (3855, 16828), (4207, 15420), (5140, 12621), (5397, 12020), (6010, 10794), (7196, 9015), (7212, 8995), (7710, 8414)]