1639890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 5166720

約数和(自身を除く): 3526830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 137, 171, 190, 210, 266, 274, 285, 315, 342, 399, 411, 570, 630, 665, 685, 798, 822, 855, 959, 1197, 1233, 1330, 1370, 1710, 1918, 1995, 2055, 2394, 2466, 2603, 2877, 3990, 4110, 4795, 5206, 5754, 5985, 6165, 7809, 8631, 9590, 11970, 12330, 13015, 14385, 15618, 17262, 18221, 23427, 26030, 28770, 36442, 39045, 43155, 46854, 54663, 78090, 86310, 91105, 109326, 117135, 163989, 182210, 234270, 273315, 327978, 546630, 819945, 1639890]

約数ペア:

[(1, 1639890), (2, 819945), (3, 546630), (5, 327978), (6, 273315), (7, 234270), (9, 182210), (10, 163989), (14, 117135), (15, 109326), (18, 91105), (19, 86310), (21, 78090), (30, 54663), (35, 46854), (38, 43155), (42, 39045), (45, 36442), (57, 28770), (63, 26030), (70, 23427), (90, 18221), (95, 17262), (105, 15618), (114, 14385), (126, 13015), (133, 12330), (137, 11970), (171, 9590), (190, 8631), (210, 7809), (266, 6165), (274, 5985), (285, 5754), (315, 5206), (342, 4795), (399, 4110), (411, 3990), (570, 2877), (630, 2603), (665, 2466), (685, 2394), (798, 2055), (822, 1995), (855, 1918), (959, 1710), (1197, 1370), (1233, 1330)]