6499640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 16934400

約数和(自身を除く): 10434760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 167, 278, 280, 334, 556, 668, 695, 835, 973, 1112, 1169, 1336, 1390, 1670, 1946, 2338, 2780, 3340, 3892, 4676, 4865, 5560, 5845, 6680, 7784, 9352, 9730, 11690, 19460, 23213, 23380, 38920, 46426, 46760, 92852, 116065, 162491, 185704, 232130, 324982, 464260, 649964, 812455, 928520, 1299928, 1624910, 3249820, 6499640]

約数ペア:

[(1, 6499640), (2, 3249820), (4, 1624910), (5, 1299928), (7, 928520), (8, 812455), (10, 649964), (14, 464260), (20, 324982), (28, 232130), (35, 185704), (40, 162491), (56, 116065), (70, 92852), (139, 46760), (140, 46426), (167, 38920), (278, 23380), (280, 23213), (334, 19460), (556, 11690), (668, 9730), (695, 9352), (835, 7784), (973, 6680), (1112, 5845), (1169, 5560), (1336, 4865), (1390, 4676), (1670, 3892), (1946, 3340), (2338, 2780)]