1617984520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{125231}}^1$

素因数の和:125278

約数の個数: 64

約数和(自身を含む): 4057516800

約数和(自身を除く): 2439532280

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 125231, 250462, 500924, 626155, 1001848, 1252310, 2128927, 2379389, 2504620, 4257854, 4758778, 5009240, 8515708, 9517556, 10644635, 11896945, 17031416, 19035112, 21289270, 23793890, 40449613, 42578540, 47587780, 80899226, 85157080, 95175560, 161798452, 202248065, 323596904, 404496130, 808992260, 1617984520]

約数ペア:

[(1, 1617984520), (2, 808992260), (4, 404496130), (5, 323596904), (8, 202248065), (10, 161798452), (17, 95175560), (19, 85157080), (20, 80899226), (34, 47587780), (38, 42578540), (40, 40449613), (68, 23793890), (76, 21289270), (85, 19035112), (95, 17031416), (136, 11896945), (152, 10644635), (170, 9517556), (190, 8515708), (323, 5009240), (340, 4758778), (380, 4257854), (646, 2504620), (680, 2379389), (760, 2128927), (1292, 1252310), (1615, 1001848), (2584, 626155), (3230, 500924), (6460, 250462), (12920, 125231)]