68704240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{773}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 176211936

約数和(自身を除く): 107507696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 773, 808, 880, 1010, 1111, 1546, 1616, 2020, 2222, 3092, 3865, 4040, 4444, 5555, 6184, 7730, 8080, 8503, 8888, 11110, 12368, 15460, 17006, 17776, 22220, 30920, 34012, 42515, 44440, 61840, 68024, 78073, 85030, 88880, 136048, 156146, 170060, 312292, 340120, 390365, 624584, 680240, 780730, 858803, 1249168, 1561460, 1717606, 3122920, 3435212, 4294015, 6245840, 6870424, 8588030, 13740848, 17176060, 34352120, 68704240]

約数ペア:

[(1, 68704240), (2, 34352120), (4, 17176060), (5, 13740848), (8, 8588030), (10, 6870424), (11, 6245840), (16, 4294015), (20, 3435212), (22, 3122920), (40, 1717606), (44, 1561460), (55, 1249168), (80, 858803), (88, 780730), (101, 680240), (110, 624584), (176, 390365), (202, 340120), (220, 312292), (404, 170060), (440, 156146), (505, 136048), (773, 88880), (808, 85030), (880, 78073), (1010, 68024), (1111, 61840), (1546, 44440), (1616, 42515), (2020, 34012), (2222, 30920), (3092, 22220), (3865, 17776), (4040, 17006), (4444, 15460), (5555, 12368), (6184, 11110), (7730, 8888), (8080, 8503)]