68680404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1453}}^1$

素因数の和:1577

約数の個数: 72

約数和(自身を含む): 188944392

約数和(自身を除く): 120263988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 101, 117, 156, 202, 234, 303, 404, 468, 606, 909, 1212, 1313, 1453, 1818, 2626, 2906, 3636, 3939, 4359, 5252, 5812, 7878, 8718, 11817, 13077, 15756, 17436, 18889, 23634, 26154, 37778, 47268, 52308, 56667, 75556, 113334, 146753, 170001, 226668, 293506, 340002, 440259, 587012, 680004, 880518, 1320777, 1761036, 1907789, 2641554, 3815578, 5283108, 5723367, 7631156, 11446734, 17170101, 22893468, 34340202, 68680404]

約数ペア:

[(1, 68680404), (2, 34340202), (3, 22893468), (4, 17170101), (6, 11446734), (9, 7631156), (12, 5723367), (13, 5283108), (18, 3815578), (26, 2641554), (36, 1907789), (39, 1761036), (52, 1320777), (78, 880518), (101, 680004), (117, 587012), (156, 440259), (202, 340002), (234, 293506), (303, 226668), (404, 170001), (468, 146753), (606, 113334), (909, 75556), (1212, 56667), (1313, 52308), (1453, 47268), (1818, 37778), (2626, 26154), (2906, 23634), (3636, 18889), (3939, 17436), (4359, 15756), (5252, 13077), (5812, 11817), (7878, 8718)]