30542538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 71245440

約数和(自身を除く): 40702902

約数列:

[1, 2, 3, 6, 13, 19, 26, 37, 38, 39, 57, 74, 78, 111, 114, 222, 247, 481, 494, 557, 703, 741, 962, 1114, 1406, 1443, 1482, 1671, 2109, 2886, 3342, 4218, 7241, 9139, 10583, 14482, 18278, 20609, 21166, 21723, 27417, 31749, 41218, 43446, 54834, 61827, 63498, 123654, 137579, 267917, 275158, 391571, 412737, 535834, 783142, 803751, 825474, 1174713, 1607502, 2349426, 5090423, 10180846, 15271269, 30542538]

約数ペア:

[(1, 30542538), (2, 15271269), (3, 10180846), (6, 5090423), (13, 2349426), (19, 1607502), (26, 1174713), (37, 825474), (38, 803751), (39, 783142), (57, 535834), (74, 412737), (78, 391571), (111, 275158), (114, 267917), (222, 137579), (247, 123654), (481, 63498), (494, 61827), (557, 54834), (703, 43446), (741, 41218), (962, 31749), (1114, 27417), (1406, 21723), (1443, 21166), (1482, 20609), (1671, 18278), (2109, 14482), (2886, 10583), (3342, 9139), (4218, 7241)]